JCHAPO COT Exam Questions and Answers

JCHAPO COT Exam Questions and Answers What is NOT important when documenting the history of an ocular injury? -Answer- Presence of others when injury occurred Globe rupture following blunt force injury should always be suspected when -Answer- retinal detachment, vitreous hemorrhages, and a rupture of the choroid are present Sudden loss of vision in one eye MOST likely indicated -Answer-CRAO Which one of the following ocular conditions will LEAST likely present in a patient's family history -Answer-Conjunctivitis Proliferative diabetic retinopathy resulting in neovascularization can contract to form fibrovascular mass that can pull on the retina and lead to -Answer-Retinal detachment When evaluating a patient for cataract surgery, which of the following systemic illnesses is LEAST important? -Answer-Cardiac problems, they do not have to be subjected to anesthesia The purpose of the swinging flashlight test is to compare -Answer-direct and stimulated eye and the consensual response in the other eye Latrogenic or self induced pupil constriction can be caused by which drug? -Answer- phopholine iodide In ordinary room light, the diameter of the normal adult pupil is -Answer-3-5 mm A difference in pupil size is called -Answer-anisocoria The presence of an APD may be caused by -Answer-optic nerve disease Corneal astigmatism is BEST corrected -Answer-spherical RGP or soft lenses The DK value of contact lens material -Answer-diffusion, solubility, and movement of oxygen in the lens material A contact lens fit "steeper than K" is defined as -Answer-corneal measurement of 44.00 diopters and the contact lens curvature could be 44.5 diopters Which of the following could NOT be used to clean a phoropter -Answer-Alcohol The forehead and cheek rest on the photopter are cleaned with -Answer-soap and water, soaked in alcohol or boiled in water Calibration of the Goldaman applanation tonometer should be checked every -Answer-2 months with regular use The Goldman applanation tonometer head and chin rest are best cleaned by wiping the surfaces with -Answer-alcohol A lens formula of +2.00 -3.00 x 90 degrees has what power at 90 degrees and at 180 degrees -Answer-+2.00 and -1.00 A patient with far point of 7.87" (25 cm) in front of the eye requires what spectacle lens power to correct their refractive error to emmetropia -Answer--5.00 D If the working distance of 2/3m (66c) without a +1.5 working lens in place the reflex in the accommodating hyperope -Answer-would be "with" motion Which type of lens power is used to neutralize against motion? -Answer-Minus When the reflex is neutralized by lenses the light appears to -Answer-fill pupil The variance in corneal curvature measured with the keratomoter reveals the -Answer- amount of corneal astigmatism