At the top of this page, you will discover a button granting complete access to the Optometry Admission Test (OAT) practice test. Just below, there is an in-depth practice test crafted for comprehensive review. These tests serve as essential tools, expertly devised to showcase your strengths and identify areas needing improvement, thus allowing you to tailor your study strategy effectively.

To further enhance your preparation, especially in areas that demand more focus, we have created specialized quizzes. These quizzes are thoughtfully designed to concentrate on particular facets of the OAT exam, providing a focused and efficient study method.

Optometry Admission Test (OAT) Domain Exams

The Optometry Admission Test (OAT) is a crucial examination for those aiming to enter optometry programs in the United States and Canada. It assesses general academic ability and comprehension of scientific information. The OAT is divided into several sections, each focusing on different academic domains. 

Here’s a breakdown of these sections:

Domain 1.1: Survey of the Natural Sciences, Biology

  • Exam Percentage: 17%
  • Focus: Topics include general biology, cellular and molecular biology, genetics, evolution, diversity of life forms, structure and function of systems, development, and animal behavior.

Welcome to your OAT Domain 1.1: Survey of the Natural Sciences, Biology

Domain 1.2: Survey of the Natural Sciences, General Chemistry

  • Exam Percentage: 14%
  • Focus: This covers stoichiometry, gases, liquids and solids, chemical reactions, thermodynamics, chemical equilibrium, and acids and bases.

Welcome to your OAT Domain 1.2: Survey of the Natural Sciences, General Chemistry

Domain 1.3: Survey of the Natural Sciences, Organic Chemistry

  • Exam Percentage: 14%
  • Focus: Questions address the structure, function, and reactivity of molecules; stereochemistry; and spectroscopy.

Welcome to your OAT Domain 1.3: Survey of the Natural Sciences, Organic Chemistry

Domain 2: Reading Comprehension

  • Exam Percentage: 21%
  • Focus: This section assesses your ability to read, understand, and analyze scientific passages. These passages typically focus on scientific topics, which require no specific prior knowledge of the content. The skills tested include:
    • Identifying the main idea
    • Determining conclusions that can logically be drawn
    • Synthesizing information to answer questions about the passage

Welcome to your OAT Domain 2: Reading Comprehension

Domain 3: Physics

  • Exam Percentage: 17%
  • Focus: This part of the test assesses knowledge in areas such as:
    • Mechanics
    • Fluids
    • Thermodynamics
    • Waves and periodic motion
    • Optics (highly relevant to optometry)
    • Electricity and magnetism
    • Nuclear and quantum phenomena

Welcome to your OAT Domain 3: Physics

Domain 4: Quantitative Reasoning

  • Exam Percentage: 17%
  • Focus: This section focuses on mathematical skills and problem-solving abilities involving:
    • Algebra
    • Numeric calculations
    • Probability and statistics
    • Precalculus
    • Geometry and trigonometry

Welcome to your OAT Domain 4: Quantitative Reasoning

Domain% of ExamFocus
Biology17%Topics include general biology, cellular and molecular biology, genetics, evolution, diversity of life forms, structure and function of systems, development, and animal behavior.
General Chemistry14%This covers stoichiometry, gases, liquids and solids, chemical reactions, thermodynamics, chemical equilibrium, and acids and bases.
Organic Chemistry14%Questions address the structure, function, and reactivity of molecules; stereochemistry; and spectroscopy.
Reading Comprehension21%This section assesses your ability to read, understand, and analyze scientific passages.
Physics17%This part of the test assesses knowledge in areas such as Mechanics, Fluids, Thermodynamics, Waves and periodic motion, Optics (highly relevant to optometry), Electricity and magnetismNuclear and quantum phenomena
Quantitative Reasoning17%This section focuses on mathematical skills and problem-solving abilities involving: Algebra, Numeric calculations, Probability and statistics, Precalculus ,Geometry and trigonometry

Additional Important Details

Test Format and Scoring:
  • Each section of the OAT is scored on a 200 to 400 scale, with a separate score for each domain.
  • The test is administered via computer at designated testing centers.
  • The total time allotted for the OAT is approximately 4.5 hours of testing time plus a 15-minute scheduled break.
Preparation Tips:
  • Consistent and comprehensive review using OAT preparation books, online resources, and practice tests is crucial.
  • Understanding the format and types of questions by taking timed practice tests can help improve time management skills during the actual exam.

Optometry Admission Test (OAT) Exam Breakdown

The Optometry Admission Test (OAT) is a standardized examination designed to measure general academic ability and comprehension of scientific information. The OAT is administered by the Association of Schools and Colleges of Optometry (ASCO) and is used by optometry colleges for admissions purposes.

Breakdown of the OAT Exam:

  • Natural Sciences: This section tests biology, general chemistry, and organic chemistry. It aims to assess the applicant’s knowledge and ability to solve problems in these areas.
  • Physics: This section covers topics like mechanics, optics, electricity and magnetism, and modern physics, assessing the understanding of physical principles and their applications.
  • Reading Comprehension: Consisting of passages related to scientific topics, this section tests the ability to read, understand, and analyze scientific information.
  • Quantitative Reasoning: This section evaluates mathematical skills and the ability to reason quantitatively. It includes numerical calculations, algebra, probability and statistics, and more complex mathematical problems.

Duration and Scoring:

  • The OAT is administered via computer and takes approximately five hours to complete.
  • Each section is scored on a scale from 200 to 400, with the composite score being an average of the four individual section scores.

How to Become OAT Certified

To become certified to take the Optometry Admission Test (OAT), you will need to go through several steps, which involve registration, preparation, and understanding the testing process.

  • Registration: Begin by applying for the OAT through the official OAT website. You will need to obtain a unique personal identification number (PIN) which will be used throughout the application and testing process. Ensure your name on the application matches your government-issued ID exactly, as discrepancies can lead to denial of entry on test day.
  • Study and Preparation: The OAT consists of four sections: Survey of Natural Sciences, Reading Comprehension, Physics, and Quantitative Reasoning. Each section contains multiple-choice questions designed to test specific skills and knowledge areas​​. You can prepare by reviewing the official content outlines and practicing with sample questions available through OAT resources. Creating a detailed study plan and taking full-length practice tests under timed conditions can significantly enhance your preparation​.
  • Scheduling the Test: The test is administered at Prometric testing centers year-round on an appointment basis. It’s recommended to schedule your test date 60-90 days in advance due to seating limitations at testing centers​.
  • Fees and Waivers: The cost of taking the OAT ranges from USD 510-USD 515, but fee waivers are available for those who demonstrate financial need. These waivers cover 50% of the fee and are awarded on a first-come, first-served basis.
  • Special Accommodations: If you require special testing accommodations under the Americans with Disabilities Act, you’ll need to download and complete the required form from the OAT website and submit it well in advance of your intended test date​​.
  • Test Day: On the day of the exam, ensure you have the necessary documents, including a valid ID. Arrive early to familiarize yourself with the testing environment, and manage your time wisely during the test to ensure you can complete all sections​​.

Our Experience Teaching Optometry Admission Test (OAT) Candidates To Pass The Exam

The creation of the Optometry Admission Test (OAT) practice tests at Career Employer has been a remarkable adventure, marked by both achievements and obstacles. Inspired by the diverse subjects covered by the exam, we have customized our resources to accommodate the different learning preferences of our students.

Every aspect of our methodology has been carefully crafted to ensure that each student is fully equipped to excel on the exam. Our dedication to providing a holistic educational experience is apparent in the extensive range and depth of our practice materials, highlighting our commitment to the success of our students.

Teaching the Optometry Admission Test (OAT) is a specialized endeavor, often focusing on equipping students with a thorough understanding of the content areas tested, as well as strategies for effectively navigating the exam format and time constraints. From a lecturer’s perspective, the primary goal is to ensure students are well-prepared not only in the knowledge domains of biology, general chemistry, organic chemistry, physics, reading comprehension, and quantitative reasoning but also in test-taking skills that can enhance their performance on the day of the exam​.

  • Teaching Focus Areas for OAT:
    • In-depth coverage of biology, general chemistry, organic chemistry, physics, reading comprehension, and quantitative reasoning.
    • Emphasis on test-taking strategies to handle the exam’s multiple-choice format efficiently​.
  • Study Materials and Resources:
    • Use of official practice tests, study guides, and extensive use of digital resources such as video tutorials and flashcards.
    • Platforms like CrackOAT offer comprehensive prep tools including video crash courses and a large database of practice questions.
  • Time Management Training:
    • Guidance on dividing time effectively across different sections of the OAT.
    • Training on pacing to manage the limited time available for each section of the test.
  • Mental and Physical Preparation:
    • Advising students on the importance of being well-rested, maintaining a balanced diet, and regular physical activity.
    • Stress management techniques to help maintain focus and calm on the study journey and on test day​​.
  • Additional Support: Lecturers often guide students on where to find further detailed information on the OAT, including official websites and educational resources that offer registration details and more in-depth study materials​.

These points encapsulate the lecturer’s perspective on preparing students for the OAT certification, highlighting the importance of both academic readiness and well-rounded physical and mental preparation.

At Career Employer, our Optometry Admission Test (OAT) certification practice tests are crafted by an illustrious team, celebrated for their profound knowledge and extensive experience in steering candidates toward success in their OAT exams. The team’s in-depth understanding of the field has been pivotal in assisting over 1000 optometry assistants to achieve their OAT certification, with a focused approach to the unique needs of optometry technicians.

Our team includes veteran optometry assistants, each boasting over a decade of specialized experience in optometry assistance. This significant expertise ensures that our practice materials are developed by foremost experts, making them highly effective for candidates preparing to excel in their certification efforts. Our steadfast commitment to excellence guarantees that users of our resources are comprehensively prepared not only to meet but to surpass their certification objectives, highlighting our dedication to their success.

Effective Study Strategies and Methods

Preparing for the Optometry Admission Test (OAT) requires a strategic approach, combining thorough understanding of the test content, rigorous practice, and smart time management. Here are some effective strategies and resources to help you excel on the OAT:

  • Understand the Test Structure: The OAT consists of four main sections: Survey of Natural Sciences, Reading Comprehension, Physics, and Quantitative Reasoning. Knowing the layout and types of questions can significantly improve your performance​​.
  • Focused Study Sessions: Tailor your study sessions based on the subject areas. For the natural sciences, emphasize understanding complex diagrams and processes in biology, chemical reactions in chemistry, and problem-solving in physics. Utilize subject-specific practice questions to hone these skills.
  • Timed Practice Tests: Regularly taking full-length, timed practice tests helps build stamina and familiarizes you with the exam’s pace. This also allows you to identify areas of weakness. Resources like CrackOAT offer a realistic test interface and comprehensive practice exams that are constantly updated​​.
  • Review and Analyze: After each practice test, spend time reviewing your answers. Understanding why an answer was correct or incorrect is crucial for closing knowledge gaps. This reflection helps you adjust your study focus accordingly​.
  • Leverage Online Resources: Online platforms like Mometrix and CrackOAT provide extensive study materials, including flashcards, video tutorials, and practice questions which are essential for effective preparation.
  • Community and Forums: Engage with online communities such as the Student Doctor Network, where you can find advice, study tips, and support from fellow OAT test-takers. This can provide moral support and practical insights from those who have recently taken the test​.
  • Personal Well-being: Don’t overlook the importance of maintaining a balanced lifestyle during your study. Ensure adequate sleep, nutrition, and physical activity to keep your mind sharp and resilient.


Exam FeeUSD 515Non-refundable, includes initial score reports to designated schools.
Rescheduling FeeUSD 70-USD 150Cost depends on how close to the test date the change is made.
Preparation MaterialsVariesCan range from USD 59 to over USD 699 depending on the provider and package.
Additional Score ReportsUSD 25 eachCost for sending scores to more schools than initially designated.
Fee Waiver50% of exam feeAvailable for first-time test-takers demonstrating financial need, covers 50% of the OAT fee.

The cost of taking the Optometry Admission Test (OAT), essential for prospective optometry students, varies and includes multiple fees associated with the exam process.

  • Exam Fee: The OAT exam fee itself is USD 515​. This fee must be paid when you apply to take the test, and it is non-refundable and non-transferable​.
  • Rescheduling and Cancellation Fees: If you need to reschedule or cancel your OAT exam, fees vary depending on how close to the test date you make the change. The fees range from USD 70 if done 30 or more days in advance to USD 150 if done within 1-4 days of the scheduled test date​​.
  • Study and Preparation Costs: Preparing for the OAT can involve additional costs. Study materials and prep courses are available, with options varying significantly in price. Kaplan, for example, offers OAT prep courses ranging from USD 59 per month to one-time fees upwards of USD 699. Other providers like Gold Standard offer comprehensive OAT prep packages for USD 399​​.
  • Additional Score Reports: After taking the OAT, if you wish to send your scores to more schools than initially requested or need additional official score reports later, each report costs USD 25​.
  • Fee Waivers: For those facing financial hardship, the OAT program offers a limited number of partial fee waivers that cover 50% of the exam fee. However, these are available on a first-come, first-served basis and have specific eligibility requirements, including being a first-time test-taker and demonstrating financial need​.

These costs cover the primary expenses associated with the OAT, but it’s also wise to consider indirect costs such as travel to the test center if not nearby. Additionally, while some resources are available for free, most high-quality preparation materials and courses will incur costs, which can vary widely based on the comprehensiveness of the materials and the mode of instruction chosen.

Reliable Study Materials and Resources 

Preparing for the Optometry Admission Test (OAT) requires accessing diverse study materials and resources. Here are some recommended online platforms and resources to help you effectively prepare for the exam:

  • OAT 101 offers extensive practice questions that mimic the real exam’s conditions, focusing on improving both your speed and accuracy. They also emphasize quality over quantity in practice sessions, which is crucial for deeply understanding the material rather than just memorizing answers​.
  • CrackOAT provides a comprehensive package including video crash courses, study guides, and a vast number of flashcards. They also offer simulated full-length tests to help familiarize you with the exam interface and conditions, making it one of the more popular tools among pre-optometry students.
  • OAT Cracker focuses on providing a large array of practice tests and questions, available online and via mobile apps. Their platform allows for unlimited attempts and tracks your progress, which can help identify areas of strength and weakness​​.
  • Test Guide offers free OAT practice tests, flashcards, and study guides. These resources are especially useful for understanding the overall structure of the exam and for practicing under timed conditions.
  • YouTube also serves as a valuable resource for preparatory advice and strategies shared by past test-takers. For example, you can find video tutorials that offer personal insights and tips on how to approach studying for each section of the OAT​.

Using a combination of these resources can provide a well-rounded approach to your OAT preparation, encompassing both the knowledge content and the strategic approach required for the exam. Make sure to start your preparation well in advance and regularly assess your progress through these practice tools to ensure you’re on track for achieving a high score.

Tips for Exam Day

To excel on the Optometry Admission Test (OAT), you’ll need a combination of solid preparation strategies and effective exam-day tactics. Here’s a comprehensive breakdown based on forum discussions and expert advice from multiple sources:

Preparation Tips:

  • Study Resources: Utilize dedicated OAT preparation materials such as OATBooster for practice tests that mirror the actual exam format and targeted review sections. Kaplan books, though extensive, may cover more than what’s typically tested, so focus on materials that zero in on key topics​.
  • Subject-Specific Practice: Focus heavily on the subjects tested. For instance, ensure you understand basic physics concepts and problem-solving for the physics section, and work on reaction mechanisms and organic synthesis for organic chemistry. Use practice questions to reinforce knowledge and recognize patterns​.
  • Timed Practice: Regularly practice with timed exams to get accustomed to the pressure of the actual test day. This helps in managing time effectively during the actual exam.
  • Review and Reflect: After practice tests, review your answers thoroughly to understand why certain answers are correct and reflect on the mistakes to avoid them in the future​.
  • Additional Resources: Join online forums like Student Doctor Network for peer advice and to read about the experiences of those who have recently taken the OAT. This can provide invaluable insights into the exam’s structure and the types of questions to expect​.

Exam Day Tips:

  • Document Checklist: Ensure you have all necessary documents, including your ID and any required test materials. Check the OAT’s official site for specific details on what to bring​​.
  • Arrival: Arrive early to the test center to settle in and adapt to the environment before the exam starts​​.
  • Stay Calm and Focused: Keep a calm mindset throughout the exam. Manage stress by taking deep breaths if you start to feel overwhelmed​.
  • Time Management: Be vigilant about the time spent on each question. Don’t spend too long on challenging questions; it’s often better to make an educated guess and move on​​.

By combining detailed preparation with strategic practice and test-taking strategies, you can enhance your performance on the OAT. Remember, consistent study and understanding test logistics are key to success.

Post-Exam: Next Steps

After completing the Optometry Admission Test (OAT), there are several next steps and strategies to consider based on information from online forums like Student Doctor Network and Reddit.

  1. Review Your Performance: Reflect on how the exam went and identify any areas where you felt you struggled. Although you won’t be able to see the specific questions again, jotting down challenging topics can help you prepare in case you need to retake the exam or for future reference in your studies.
  2. Prepare for Results: Typically, OAT results are available within several weeks. Plan how you will access and use your scores. If the outcome is positive, you can start preparing your applications for optometry schools. If the results are not as expected, consider your options for retaking the exam.
  3. Research and Select Optometry Schools: Start or continue researching optometry programs that align with your career goals and academic record. Consider factors such as location, cost, program reputation, and specific areas of focus.
  4. Application Preparation: Begin gathering materials for your applications. This includes requesting transcripts, letters of recommendation, and drafting personal statements. Tailor each application to highlight why you are a good fit for each program, based on the school’s unique characteristics and values.
  5. Stay Updated: Keep yourself informed about any changes in the application processes or dates for the schools of your interest. Forums like those on Student Doctor Network can be a valuable resource for advice and updates from other pre-optometry students and professionals.
  6. Engage in Relevant Experience: If you have time before your applications are due, try to gain more experience in the field. This could be through shadowing optometrists, volunteering in relevant settings, or working in eye care. Such experiences not only enhance your application but also confirm your decision to pursue a career in optometry.
  7. Mental Health and Relaxation: Taking a high-stakes exam can be stressful. Ensure you manage your mental health by taking time to relax and engage in activities you enjoy. This can help you maintain your motivation and focus for the next stages of your career path.


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  2. OAT Bootcamp. “OAT Bootcamp – Home.” OAT Bootcamp,
  3. American Dental Association. “Apply to Take the OAT.” OAT,
  4. Admit Hero. “The Comprehensive Guide to the Optometry Admission Test (OAT).” Admit Hero,
  5. Texas State University. “Optometry Admission Test (OAT).” Department of Biology, Texas State University,
  6. American Dental Association. “OAT.” OAT,
  7. American Dental Association. “OAT Examinee Guide.” OAT,
  8. Association of Schools and Colleges of Optometry. “Frequently Asked Questions about the Optometry Admission Test (OAT).” ASCO,
  9. Crack OAT. “Crack OAT – Home.” Crack OAT,
  10. Local 8 Now. “Strategies to Successfully Pass the OAT.” Local 8 Now,
  11. OAT 101. “OAT Practice Questions.” OAT 101,
  12. Crack OAT. “Crack the OAT.” Crack OAT,
  13. Mometrix Test Preparation. “OAT Test.” Mometrix Academy,
  14. Student Doctor Network. “Optometry Admission Test (OAT) Forum.” Student Doctor Network,
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  16. Shorelight. “A Guide to the OAT for International Students.” Shorelight,
  17. OAT Cracker. “OAT Cracker.” OAT Cracker,
  18. Test Guide. “Free OAT Practice Tests.” Test Guide,
  19. YouTube. “OAT Prep Video.” YouTube, uploaded by user,
  20. Student Doctor Network. “2023 OAT Breakdown Experience.” Student Doctor Network,
  21. Orgoman. “Preparing for the OAT Exam: A Comprehensive Guide.” Orgoman,
  22. Reddit. “OAT Break Down, Short Study Time (320/320).” r/PreOptometry, Reddit,
  23. YouTube. “OAT Preparation Video.” YouTube, uploaded by user,
  24. Student Doctor Network. “OAT Exam Experience & Tips.” Student Doctor Network,
  25. Reddit. “400 TS, 390 AA 2023 OAT Experience.” r/PreOptometry, Reddit,
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  27. YouTube. “OAT Study Tips Video.” YouTube, uploaded by user,

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