JCAT Open Book 10 and 11 Practice Test

These questions are part of the practice quiz. Start practicing

• Which term best describes retinoscopy as part of the refraction process?
• What is the term for pupils that are of unequal size?
• What device is primarily used to view viruses?
• What is the minus cylinder form of -2.50 +1.00 x 175?
• What is the most commonly used technique to perform B-scan ultrasound?
• Corneal curvature measurement is vital to ensure that a contact lens:
• In the context of visual acuity, what does a lower denominator indicate?
• What part of the spectacle frame connects the two lenses?
• What term describes the condition where the crystalline lens of the eye becomes opaque, leading to loss of visual acuity?
• Which type of tonometry would most likely be used for patients with corneal irregularities?
• What is the site of the crossover of nerve fibers from each eye to the opposite sides?
• Which of the following best describes a Pinhole Occluder’s effect in vision testing?
• Which statement about the Snellen chart is accurate?
• Which eye care professional specializes in measurement of eye movement and the extraocular muscles?
• What is the name of the eyelid glands responsible for secreting oil?
• What is a cycloplegic that is ideal for office use due to its relatively weak effects?
• What is a common symptom of cataracts?
• What is not a common cause of instrument corrosion?
• What is the term for the condition where the eyelid turns outward, leaving the inner eyelid surface prone to irritation?
• What is a significant benefit of eye dilation during examinations?
• What condition is characterized by a decrease in tear production?
• Which type of glaucoma is considered symptomless?
• By how many degrees does the axis change in transposition?
• Which part of the eye constricts in bright light?
• Which of the following side effects would you not expect from carbonic anhydrase inhibitors?
• Which of the following deposits are soft contact lenses particularly susceptible to?
• What common medium is used to culture microorganisms?
• What is the typical purpose of antibiotics in a clinical setting?
• What is the source used to obtain an Optical Coherence Tomography image?
• How many extraocular muscles are responsible for moving each eye?
• Which ocular tissue produces A-scan spikes?
• What can a slit lamp examine?
• What distance is generally recommended for assessing distance acuity?
• What condition is characterized by clouding of the lens in the eye?
• What is a key factor affecting the overall rating of a practitioner?
• What is the recommended setup distance for the majority of vision charts during assessment?
• Which measurement unit is commonly used for distance acuity in vision testing?
• What is the main purpose of wearing impact-resistant glasses in an industrial setting?
• Which test is used to assess stereopsis?
• In what condition is a Potential Acuity Meter a useful test?
• How many nerves innervate the six extraocular muscles?
• What is the most widely used method of visual field screening that requires no special equipment?
• Which medical professional specializes in the fitting of spectacles?
• Which of the following statements is true about efficiency in an office setting?
• How often should the surgeon's preferences in instruments, sutures, and patient preparation be updated?
• Which muscle is not considered one of the six extraocular muscles?
• Which of the following is typically used to assess near vision?
• How many dimensions are represented in a B-scan image?
• What does BID stand for?
• What is an ophthalmologist's duty regarding treatment recommendations?
• Which ocular structure is primarily assessed using A-scans?
• What test uses a screen that is half red and half green and is used during refinement?
• What is the collective name for the iris, ciliary body, and choroid?
• Where is the second point of attachment for the zonular fibers?
• What consensual response normally occurs when shining a light in the right eye?
• At what distance should near vision charts be held for optimal evaluation?
• What is a common indication for prescribing rigid gas permeable lenses?
• Which part of the eye is primarily responsible for color vision?
• What is the name for the fibrovascular growth that invades the cornea and originates in the conjunctiva?
• What fills the space between the cornea and the iris?
• Which extraocular muscle moves the eye laterally?
• What class of drugs dilates the pupil?
• What condition may require immediate referral to a specialist?
• What surgical instrument is commonly used to enlarge the punctum?
• What is the medical term for the condition of excessive tearing?
• Which medical professional is responsible for measuring visual acuity?
• What is a possible side effect of long-term systemic steroids?
• What is the term for the tonometry technique that displaces a minimal amount of fluid?
• What surgical procedure involves creating an opening in the iris?
• At approximately what age do infants typically begin to reach for toys?
• During a surgical scrub, which body part should soap and water flow down towards?
• Where is the focal point for a distant object located in an unaccommodated emmetropic eye?
• What visual test determines the sharpness or clarity of vision?
• What is a recommended practice for contact lens hygiene?
• What does retroillumination primarily help detect?
• Which eye care professional specializes in ocular ultrasound examinations?
• What ocular condition is often associated with difficulty seeing objects at a distance?
• What is the initial step that should be taken before sterilizing minor surgical instruments?
• Which common familial ocular disorder should you record during a patient's history?
• In glare testing, how many controlled degrees of light does the BAT test deliver when the eye is viewing a Snellen target?
• What visual acuity would you record for a person who can see clearly at 20 feet what an individual with no refractive error sees at 60 feet?
• What ocular symptom is typically associated with a diagnosis of conjunctivitis?
• Which eye condition is characterized by two clinical types, wet and dry?
• In what order should instruments on the surgical stand be organized?
• What aspect of vision is the Maddox rod primarily used to assess?
• What kind of astigmatism is characterized by greater power in the vertical meridian?
• Which statement is true regarding documenting the patient's complaints?
• Corneal curvature measurement is crucial in determining which parameter when fitting a contact lens?
• What is an important question to ask a patient who complains of a "red eye"?
• In what condition will the patient describe symptoms of a red and irritated red eye?
• What is the primary function of an optometrist?
• What is the name of the condition where the eye does not refract light equally in all directions?
• Which factor is crucial when arranging items on an instrument stand?
• Which of the following is NOT generally considered a symptom of eye strain?
• Which of the following describes the primary advantage of soft contact lenses?
• What is the term for the concentration of a chemical in a pharmaceutical solution?
• Which ocular measurement in A-scan biometry provides the axial length of the globe?
• What type of illumination is recommended for photographing external eye structures?
• What number bulb is used in a non-contact tonometer?
• Which test is known to potentially increase visual acuity in a patient with an uncorrected refractive error?
• What part of the eye contains photoreceptor cells?
• Which instrument is primarily used during chalazion surgery?
• Which eye drop inactivates the sphincter muscle of the iris?
• The area between the two focal points of a spherocylindrical lens is called the Conoid of?
• What is the condition that describes if the amount of light information transmitted to the brain from one eye differs from that of the other eye?
• What is an important difference between soft and rigid contact lenses?
• Which colors are the cones of the human eye primarily sensitive to?
• What is the name when blood partially fills the anterior chamber?
• What measurement does a tonometer primarily assess?
• Which two items are used to clean the retinoscopy lens, polarizing lens, red lens, and Maddox rod lens?
• What is the visual acuity status of someone who can read at 20 feet what a person with normal vision can read at 40 feet?
• Which color vision test is considered a pseudoisochromatic test?
• Which condition is likely to benefit from probing of the tear duct?
• What does the acronym 'DK' represent in contact lens terminology?
• What type of curvature is vital for evaluating contact lens fitting?
• What should be used to periodically dust the exposed surface of an eyepiece?
• What is the term for the reading portion of a bifocal prescription?
• Which of the following is a primary aim of a cycloplegic agent used in ophthalmology?
• What is the primary purpose of A-scan biometry in ophthalmology?
• What delivery mechanism do oral medications use?
• What is the power of a lens with a focal length of 2 meters?
• What factor primarily influences the accuracy of intraocular pressure measurements?
• What is the second step in preparing absorbable sutures before loading on a needle holder?
• What type of test is done to assess the pressure inside the eye?
• Which phase is first seen (recorded) in fluorescein angiography?
• What is the purpose of lens transposition in optometry?
• What is the term for the distance between the optical centers of a pair of glasses?
• Which statement is true regarding the routine maintenance of a phoropter?
• In retinoscopy, when starting with plano at 66 cm, a "with" reflex is most commonly observed in which refractive error?
• What are two bridge types located on a spectacle frame?
• What condition is characterized by parallel rays of light focusing at a point just in front of the retina?
• Which of the following most qualifies as a chief complaint?
• Why is blue light utilized in applanation tonometry?
• What process best describes a patient's active participation in their own treatment?
• Which of the following statements requires prompt attention?
• What is the name of the instrument used to measure the thickness of the cornea?
• Which structure in the eye is responsible for focusing light onto the retina?
• What is the most prevalent cell type in scraping from allergic conjunctivitis?
• Which eye condition is characterized by increased intraocular pressure?
• Which part of the eye is primarily affected in glaucoma?
• How is the degree of power differentials in astigmatism usually described?
• What is a disadvantage of a chemical-based rigid contact lens care system?
• What is an essential step in preparing minor surgical instruments before they are sterilized?
• Where is the center of focus on a posterior pole photograph typically located?
• What is the name of the triangular corners where the upper and lower lids meet?
• Which test is used to compare direct and consensual responses to the pupil?
• What term describes a granulated inflammation of the eyelid that may require surgical excision if it persists?
• What type of lens is often indicated for patients with astigmatism?
• What is the function of the precorneal tear film?
• What color is the light filter used in applanation tonometry?
• What is the diameter of the contact area of the applanation tonometer?
• Which of the following is the correct direction for aqueous humor flow?
• What is the spherical equivalent of +2.00 +5.00 x 180?
• What is the term for a scotoma that is located immediately nasal or temporal to fixation?
• What is the name of the visual receptors that are responsible for processing color?
• What condition does an iridotomy treat?
• What can occur if the optical centers of spectacles are not aligned with the patient's pupillary distance?
• What type of patients uniformly require a threshold 24-degree central field test?
• Which metal is commonly used for surgical instruments to prevent rust and corrosion?
• Ophthalmic equipment or devices that come in contact with only a patient's intact skin should undergo which procedure?
• Which test cannot be used to assess color vision?
• What is the primary purpose for dilating the eye?
• What color corresponds to a "Gram positive" reading in a bacterial test?
• What is the thickest corneal layer?
• Which structure plays a major role in focusing light onto the retina?
• At which setting should the calibration of the Goldmann applanation tonometer be checked?
• What is the term for the bending of light?
• What is the term for an area of complete or partial blindness in an otherwise normal visual field?
• What type of tonometry is typically employed in routine eye exams?
• Drugs that dilate the pupil without cycloplegia operate by stimulating which iris muscle?
• What is the common treatment for a persistent chalazion?
• What is the condition where the eyelashes roll in and rub against the cornea?
• In A-scan biometry, which measurement provides the axial length of the globe?
• What term describes pupillary constriction?
• How many layers comprise the tear film?
• What term describes an echo from a sound wave traveling from one medium to another?
• Which item is not a designation of a version?
• Which medical professional specializes in advanced ophthalmic skills?
• What is the term for a lens consisting of two cylinders of equal but opposite powers?
• How are axial length measurements obtained in A-scan biometry?
• What occurs if glasses are not positioned so that the patient is looking through the optical centers of the lenses?
• Which statement correctly refers to the letters on the Snellen chart?
• Visual field loss due to optic nerve cupping is related to which condition?
• What appearance would you expect the mires to have if excessive fluorescein is instilled prior to Goldmann tonometry?
• Which tool is used to assess phorias and consists of a series of red cylinders?
• Which type of tonometer is typically mounted on a slit lamp?
• Which statement is true pertaining to the use of catgut sutures?
• What is the abbreviation for "gram" in scientific contexts?
• What aspect of the patient's examination is performed by asking specific questions in an orderly sequence?
• Which type of perimetry technique involves a moving target?
• Which condition may result in a crescent-shaped shadow on the cornea?
• What is the term for drooping upper eyelids?
• Which type of drug is commonly used to treat acute allergic reactions?
• What is the purpose of the Krimsky test in ophthalmology?
• Which muscle is responsible for adducting the eye?
• What is a common way to confirm suspected allergic conjunctivitis in patients?
• Which of the following statements about the Maddox rod is correct?
• What is the term for the "degerming" of the hands?
• What role does an orthoptist primarily serve in the field of eye care?
• What is an important step when changing the lamp of a projector?
• Advances in digital imaging technology facilitated the practical use of which type of dye?
• Which instrument is used to measure the curvature of the central part of the cornea?
• What is the name for small yellowish lesions located between the retinal pigment epithelium and Bruch's membrane?
• Which value denotes the permeability of a contact lens?
• What is the most common method for recording visual acuity in infants and preverbal children?
• Which finding would be most concerning during an eye examination?
• If a patient is unable to read the largest letter on the Snellen chart, what is the first step you should take?
• Which anatomical structure corresponds with the physiological blind spots in the eye?
• What measures the dioptric power of the cornea?
• Which process is commonly used for measuring corneal astigmatism?
• Which term describes an eye that tends to turn upwards?
• Which feature is characteristic of multifocal contact lenses?
• What is the name of the formula used to calculate induced prismatic effect caused by spectacle lenses?
• After introduction to the patient, which is one of the first items that should be obtained as part of history taking?
• What is a fluorescein angiogram primarily used to view?
• On the back of spectacle frames, what do the figures such as 46 x 22 represent?
• Which drug is used for applanation tonometry?
• Which of the following are the three types of ophthalmic imaging?
• Which astigmatism is described as having greater power in the horizontal meridian?
• Which of the following would ruin an aseptic environment in the operating room?
• In what unit is keratometry expressed?
• Which of the following conditions is not hereditary?
• What is the term for the distance from the anterior surface of the eye to the back surface of the spectacle?
• What is the primary role of Allied Ophthalmic personnel?
• What type of visual impairment would be indicated by an eye that struggles to focus on faraway objects?
• The Amsler grid is used to evaluate visual field deficiencies in how many degrees of central vision?
• What instrument is used to measure intraocular pressure?
• Which test is used to measure tear flow?
• How should the probe be aligned during ultrasound biometric measurements?
• What is the aim of administering indocyanine green in imaging procedures?
• What is the proper technique to assist a visually impaired patient?
• Which instrument would most likely be used to measure intraocular pressure?
• Which drug is known as a powerful mydriatic and can take up to two weeks to wear off?
• What is the term for an eye that contains an intraocular lens after cataract surgery?
• What instrument measures the power of the spectacle lens?
• What is the name of the drug that treats glaucoma by decreasing aqueous humor production?
• What is the term that describes an uncorrected refractive error?
• Glaucoma primarily affects which ocular structure?
• What must occur for a patient to provide informed consent?
• Which statement is true regarding Universal Precautions?
• What does the numerator represent in the 20/20 vision measurement?
• Which of the following medications has possible respiratory side effects?