CERTIFIED OPHTHALMIC ASSISTANT STUDY
GUIDE II PRACTICE QUESTIONS WITH
DETAILED EXPLANATIONS 2026
◉ Optic Nerve.
Answer: The nerve that transmits visual information from the retina
to the brain.
◉ Ophthalmic Patient Services & Education.
Answer: The section covering basic surgeries in ophthalmology and
some anatomy.
◉ History Taking.
Answer: The process of gathering important information from a
patient during a medical interview.
◉ Pharmacology.
Answer: The study of ophthalmic medications and their
administration.
◉ Visual Assessment.
,Answer: The evaluation of a patient's vision and the methods of
recording findings.
◉ Assisting In Surgical Procedures.
Answer: Knowledge of instruments and their use in surgical settings.
◉ Refractometry.
Answer: The process of determining a person's refractive error
using plus and minus cylinder measurements.
◉ Medical Ethics, Legal, and Regulatory Issues.
Answer: An introduction to the legal aspects relevant to ophthalmic
assisting.
◉ Equipment Maintenance & Repair.
Answer: Guidelines for maintaining and repairing ophthalmic
instruments.
◉ Tonometry.
Answer: The measurement of intraocular pressure (IOP) using
various methods.
◉ Visual Fields.
,Answer: The area that can be seen when looking straight ahead,
including common visual pathway defects.
◉ Pupillary Assessment.
Answer: The evaluation of pupillary response and movement.
◉ Lensometry.
Answer: The measurement of the prescription of lenses, including
manual and automatic methods.
◉ Ocular Motility.
Answer: The study of eye movements and the muscles involved.
◉ Ophthalmic Imaging.
Answer: Techniques used to capture images of the eye for diagnostic
purposes.
◉ Ophthalmic Imaging.
Answer: The differences between ophthalmic imaging equipment
and their uses.
◉ Spectacle Skills.
Answer: An introduction to spectacles, their components and types.
, ◉ Contact Lenses.
Answer: An introduction to modern contact lenses, comparing
modern contact lenses and safety precautions.
◉ Microbiology.
Answer: Common microbiology related to the eye and how to
protect against infection within the scope of ophthalmology.
◉ Ocular Diseases.
Answer: A general introduction to ocular diseases.
◉ COA Exam Preparation.
Answer: A practice test to aid in preparing for the COA exam.
◉ COA Study Guide Organization.
Answer: The COA Study Guide was written in the order of most
weighted to least weighted material.
◉ Study Material Challenges.
Answer: The material was very good and comprehensive but not
geared for passing the COA.
GUIDE II PRACTICE QUESTIONS WITH
DETAILED EXPLANATIONS 2026
◉ Optic Nerve.
Answer: The nerve that transmits visual information from the retina
to the brain.
◉ Ophthalmic Patient Services & Education.
Answer: The section covering basic surgeries in ophthalmology and
some anatomy.
◉ History Taking.
Answer: The process of gathering important information from a
patient during a medical interview.
◉ Pharmacology.
Answer: The study of ophthalmic medications and their
administration.
◉ Visual Assessment.
,Answer: The evaluation of a patient's vision and the methods of
recording findings.
◉ Assisting In Surgical Procedures.
Answer: Knowledge of instruments and their use in surgical settings.
◉ Refractometry.
Answer: The process of determining a person's refractive error
using plus and minus cylinder measurements.
◉ Medical Ethics, Legal, and Regulatory Issues.
Answer: An introduction to the legal aspects relevant to ophthalmic
assisting.
◉ Equipment Maintenance & Repair.
Answer: Guidelines for maintaining and repairing ophthalmic
instruments.
◉ Tonometry.
Answer: The measurement of intraocular pressure (IOP) using
various methods.
◉ Visual Fields.
,Answer: The area that can be seen when looking straight ahead,
including common visual pathway defects.
◉ Pupillary Assessment.
Answer: The evaluation of pupillary response and movement.
◉ Lensometry.
Answer: The measurement of the prescription of lenses, including
manual and automatic methods.
◉ Ocular Motility.
Answer: The study of eye movements and the muscles involved.
◉ Ophthalmic Imaging.
Answer: Techniques used to capture images of the eye for diagnostic
purposes.
◉ Ophthalmic Imaging.
Answer: The differences between ophthalmic imaging equipment
and their uses.
◉ Spectacle Skills.
Answer: An introduction to spectacles, their components and types.
, ◉ Contact Lenses.
Answer: An introduction to modern contact lenses, comparing
modern contact lenses and safety precautions.
◉ Microbiology.
Answer: Common microbiology related to the eye and how to
protect against infection within the scope of ophthalmology.
◉ Ocular Diseases.
Answer: A general introduction to ocular diseases.
◉ COA Exam Preparation.
Answer: A practice test to aid in preparing for the COA exam.
◉ COA Study Guide Organization.
Answer: The COA Study Guide was written in the order of most
weighted to least weighted material.
◉ Study Material Challenges.
Answer: The material was very good and comprehensive but not
geared for passing the COA.
