Certified Clinical Ophthalmic Assistant (CCOA) Practice Exam

These questions are part of the practice quiz. Start practicing

• To calculate the minimum blank size needed, what is the formula using a given frame PD of 64, patient PD of 60, and ED of 62?
• What is the most common cause of vision loss in older adults?
• What is the function of the iris?
• What does the term "exudates" refer to in diabetic retinopathy?
• What is true about low vision devices?
• Hydrogen peroxide must be:
• Which of the following is NOT a method for cleaning and disinfecting a contact lens case?
• Abnormal symptoms when adapting to GP lens wear may include:
• What is the standard testing distance for a Snellen chart?
• Giant Papillary Conjunctivitis most commonly occurs when:
• What is a common cause of sudden vision loss?
• What are the two types of lenses commonly used in glasses?
• What occurs during vitreous detachment?
• The term "retina" refers to which part of the eye?
• What is defined as an area of partial or complete loss of vision surrounded by a field of normal vision?
• Which condition is characterized by the eye's inability to focus on distant objects?
• What is the transposed prescription for - 3.50 + 2.00 x 137?
• The principal meridians of a lens are always positioned how?
• What is the purpose of a slit lamp examination?
• Which symptoms are associated with Sjogren's syndrome?
• When using a manual lensometer to read a lens in minus cylinder power, what is the first adjustment to make on the power wheel?
• Which of the following is NOT typically a symptom of dry eye syndrome?
• What is an example of a good dispensing technique?
• What is a common visual symptom indicating a potential issue with the retina?
• What number would you read on the power wheel of a manual lensometer when the cylinder target lines are in focus for the given Rx?
• Which lens material is the heaviest?
• What is the purpose of contact lenses?
• What condition is characterized by a build-up of eye pressure due to fluid blockage by the iris?
• Why is the fundus significant in eye examinations?
• Which measurement is essential to confirm when fitting lenses for a patient?
• What is the primary function of third-party insurance programs?
• What is the definition of "legally blind" regarding visual acuity with best corrected lenses?
• What is a potential disadvantage of using monovision to address presbyopia?
• Which profession is at high risk for eye damage from infrared radiation?
• Which of the following describes an occupational progressive lens?
• What does B-scan ultrasound help to visualize?
• What is the purpose of the lens in the eye?
• What is meant by "peripheral vision"?
• Which type of lens is specifically designed to offer comfort for viewing at a computer screen?
• Which common test is used to assess intraocular pressure?
• What does binocular rivalry refer to?
• What is a disadvantage of soft contact lenses compared to GP lenses?
• How is the index of refraction calculated?
• What type of lens design would most likely indicate a reading from a lens clock that is inconsistent with manufacturer specifications?
• What is the primary goal of lens care and refractive check-ups?
• What is the function of aqueous humor?
• What may occur if contact lenses are worn while swimming?
• How do eye exams and sight tests compare?
• What common condition may cause foreign body sensation in the eye?
• When communicating with patients, which skill is particularly important for an optometric assistant?
• What should healthcare providers recognize about people with disabilities?
• A patient has a PD of 65 mm, with frame measurements of A = 53, B = 49, and DBL = 18. How much will each lens need to be decentered?
• If the prescription for a lens is +6.00 - 4.00 x 050, what number would you read on the power wheel of a manual lensometer when the sphere target lines are in focus?
• In a Freeform PAL lens design, how is the prescription modified?
• When unsure of how to assist a patient with a possible disability, what is the first step to take?
• When inserting a GP lens, it is placed:
• A report letter differs from a referral letter in that:
• Which characteristic is most important when choosing spectacles for children?
• What is a commonly used treatment for allergic conjunctivitis?
• A surfactant in eye care is often referred to as what?
• What does a lens clock primarily measure on a spectacle lens?
• In ophthalmology, what does the term "refraction" refer to?
• What does the term "ophthalmology" encompass?
• What is hyperopia?
• What is the main purpose of using dilating drops during an eye exam?
• What visual impairment can result from a significant increase in intraocular pressure?
• What is a key benefit of using the manufacturer's centration chart for progressive addition lenses (PALs)?
• Which structure in the eye is primarily responsible for the refraction of light?
• Which retinal cell type is primarily responsible for vision in low light conditions?
• Which term refers to double vision?
• What is the primary function of the cornea in the eye?
• What is the significance of measuring intraocular pressure?
• What is the function of the conjunctiva?
• What does tangent screen field testing primarily assess?
• Which lens material is known for being lightweight yet highly impact resistant?
• What kind of visual impairment might someone with diabetic retinopathy experience?
• In which age group is vision screening especially crucial?
• To correct vertical imbalance at near, a bicentric lens would correct the power at?
• Which of the following describes the rule astigmatism?
• What is the first step to successful eyewear sales?
• Which visual impairment is associated with the condition of hyperopia?
• Photochromic lenses primarily change color in response to which type of light?
• What is a legal responsibility of an optometric assistant?
• What is a key method to convert a caller into a patient?
• What is NOT a goal when scheduling patient appointments?
• Which of the following statements is true regarding children and eyewear?
• Which is an advantage of GP lenses compared to soft contact lenses?
• What is a significant role of rods in the visual system?
• What is the primary role of a certified clinical ophthalmic assistant?
• Which aesthetic feature might deter parents from buying spectacles for their children?
• What type of lens would be best to minimize distortion for someone who requires both near and intermediate vision?
• What condition is characterized by a drooping eyelid?
• Which class of drugs is used to inhibit corneal sensation?
• What characteristic of the iris contributes to eye color?
• Which social media platform is deemed best for sharing educational articles?
• What does the Occupational Vision Care program provide?
• What are floaters in vision?
• What is a potential consequence of untreated cataracts?
• Why is LASIK considered advantageous over PRK?
• What is a primary reason for using aspheric lens design?
• A disadvantage of straight top bifocals vs. PALs (Progressive Addition Lenses) is that:
• A lensometer's target lines become sharper as you adjust the focus. What does this indicate?
• What is a primary cause of retinal detachment?
• What are the properties of Trivex lens material?
• What is a primary concern associated with prolonged UV exposure to the eyes?
• In a manual lensometer, what happens if a cylinder is present in the lens?
• Astigmatism is a refractive error primarily caused by what?
• Which of the following is a common symptom of macular degeneration?
• A true ocular emergency requiring treatment within minutes is:
• Fundus photography has several benefits, except for which of the following?
• What is the significance of adjusting the axis in lensometry?
• What does the term "visual field" refer to?
• What is the instruction given to a patient when using the Amsler Grid?
• Which of the following are the three layers of the eye?
• Which condition can cause floaters or flashes of light in the vision?
• Which condition is characterized by a cloudy lens in the eye?
• Which layer of the tear film is responsible for providing moisture to the eye?
• What role does the anterior chamber play in the eye?
• What is the intermediate power of a 50% trifocal: + 2.00 - 1.00 x 180 add + 2.50?
• What is glaucoma?
• What role does the ciliary body play in eye function?
• A lens that has a uniform curve on the front surface and optimized curves on the back surface is called what?
• What is a suitable option for spot distance viewing for a low vision patient?
• What is the appropriate method for terminating an employee?
• What causes secondary glaucoma?
• What is considered poor advice for a contact lens patient?
• What is the primary purpose of using a lensometer?
• Which visual condition is often associated with aging?
• What is the purpose of a keratometer?
• Optometry practices should ideally be equipped with which of the following?
• What does color vision deficiency refer to?
• What risk is associated with continuous wear contact lenses?
• What is the typical recall interval for an adult patient over 65 years of age?
• What role does the optic nerve play in vision?
• On a Progressive Addition Lens (PAL), what is typically engraved on the lens below the reference mark on the temporal side?
• What is the primary purpose of cataract surgery?
• Which of the following is a symptom of dry eye syndrome?
• For the given Rx, which number would be observed on the sphere power wheel of a manual lensometer for the flat-top segment?
• When looking through a prism, the image is displaced in which direction?
• How is intraocular pressure (IOP) defined?
• What should be prioritized when fitting safety eyewear for workers?
• The myopic eye:
• What is "nearsightedness"?
• Diabetic retinopathy manifests as:
• Which part is NOT a component of the uveal tract?
• A positive aspect of anti-reflection coated lenses is:
• The primary function of the iris is to:
• Which pre-corneal fluid layer makes the corneal epithelium hydrophilic?
• Why is it important to establish personal rapport with patients?
• What role does the lens play in the eye?
• Common symptoms of macular degeneration include all, except:
• Which type of lenses is known not to meet safety standards?
• What is the most noticeable symptom of a retinal detachment?
• What is the palpebral fissure?
• What common issue do aged patients often experience?
• What symptom is commonly associated with acute glaucoma?
• At what location do the optic nerves transition into optic tracts?
• How do prescription eye drops for glaucoma primarily reduce intraocular pressure?
• What is the typical replacement schedule for daily disposable lenses?
• What characteristic of photochromic lenses makes them an appealing choice for outdoor wear?
• What is the purpose of visual field testing?
• The acronym MASCOT reminds practitioners of lens options. Which of the following is NOT included?
• What is the primary function of the macula?
• What is the primary symptom of dry eye syndrome?
• What is a common treatment for severe cases of strabismus?
• What is a common treatment option to manage further vision loss in patients with open-angle glaucoma?
• Which structure is primarily responsible for the refraction of light entering the eye?
• What condition is indicated by the term "cataract"?
• How can individuals considered "legally blind" maintain more independence?
• What therapeutic methods can be used to correct strabismus?
• Which factor is generally NOT considered when attempting to prevent poor fixation during automated perimetry testing?
• The mucin layer of the tear film primarily serves to:
• What is a common consideration when evaluating a patient's eyewear history?
• In the context of lensometry, what is a primary purpose of using a lensometer?
• What should be considered when choosing a frame for progressive lenses?
• Which refractive error is considered the most common?
• What procedure is used to assess lens opacity?
• How can you determine if a soft contact lens is inverted?
• What procedure is performed when secondary clouding occurs after cataract surgery?
• What factor primarily contributes to lens comfort in wearers?
• What is the primary purpose of using prescription sunglasses?
• What should you do if a patient requests their prescription and pupillary distances?
• When verifying glasses with a lensometer, which lens should be measured first?
• Which factor is NOT linked to the development of cataracts?
• What is the primary function of the choroid in the eye?
• What instrument is typically used for assessing visual acuity?
• Which measurement is considered unimportant in acceptable tolerance standards?
• When should the first eye health examination be performed?
• What is the function of the retina in the eye?
• What is an important consideration when performing ocular photography?
• When viewing the lens in a manual lensometer, if the target lines run diagonal to their intended course, what does this represent?
• What is the typical examination tool used to evaluate the anterior segment of the eye?
• What is the primary goal of vision therapy?
• Which layer of the eye is primarily responsible for nutrition and blood supply?
• What is an important consideration when fitting a patient for contact lenses?
• What is the primary use of an ophthalmoscope?
• Which of the following best describes the function of the lipid layer in the tear film?
• Once the manual lensometer is turned on, what is the next step?
• What is a potential risk factor for developing cataracts?
• What is the primary purpose of an occupational progressive lens?
• How should one respond if a caller inquires about the cost of contact lenses?
• What percentage of the legally blind population cannot see at all?
• Which pre-corneal fluid layer is known to increase surface tension and slow evaporation?
• During confrontation visual fields testing, how many fingers should ideally NOT be shown?
• Which skill is essential for an optometric assistant?
• What is generally indicated by a patient experiencing diplopia?
• Where should caliper fingers be placed when measuring the minimum thickness of a lens?
• What might indicate that a contact lens requires replacing?
• What is a key factor in the likelihood of developing diabetic retinopathy?
• To measure the true add power of a higher Rx flat top bifocal lens, you should place the _______ of the _________ against the lensometer aperture.
• What could potentially impact the optometric practice's image in the community?
• What role does the choroid layer play in eye function?
• Which tint color reduces light intensity without compromising color balance?
• Which procedure is an optometrist NOT permitted to perform?
• What instrument is used to measure the center thickness of a lens?
• What role does the sclera play in the anatomy of the eye?
• What can blink inhibition cause for contact lens wearers?
• What is an Amsler grid used for?
• What is an advantage of using photochromic glass over plastic lenses?
• Which of the following is a potential complication following cataract surgery?
• Which of the following is a common symptom of dry eye?
• What does it indicate if the lens clock needle moves while checking the curvature on the front surface of a spectacle lens?
• When dealing with a patient showing emotional problems, it is advised to:
• What correction is commonly applied to a prescription in progressive lenses to accommodate for user-specific measurements?
• What is the most common type of artificial lens used in cataract surgery?
• Which inventory practice is considered ideal in optometry?
• How does corrective eyewear help those with myopia?
• What instrument is primarily used to evaluate the health of the retina?
• What is an example of a positive question when scheduling an appointment?
• Which type of contact lenses are generally easier to handle, soft or GP lenses?
• What symptom is commonly associated with nearsightedness?
• What is the significance of the tear film in eye health?
• What could high intraocular pressure lead to?
• Orthokeratology lenses are designed primarily to:
• Which corneal layer is known for its rapid healing and lack of scarring?
• What does “pseudophakia” refer to?
• What is a symptom of Computer Vision Syndrome?
• What should a patient do when shopping for new glasses?
• What does binocular vision primarily enable?
• What element is crucial for the acknowledgment of visually impaired individuals in society?
• Which of the following is NOT a recommended option for children's spectacles?
• How can age-related macular degeneration (AMD) be described?
• Why is it important to ensure the correct power in contact lenses?
• How should soft contact lenses be cleaned at the end of the day?
• Which lens material has the lowest Abbe value?
• Which condition is characterized by excessive tearing?
• What do you need to accurately re-mark an unknown PAL?