CPSS Exam 2024 Study Guide with Questions and Correct Answers

A's and K's IOL calculations. Measurements taken before cataract surgery that determine the best STRENGTH intraocular lens implant to use during surgery. Axial Lengths (A's) length of the eye from front and back Keratometry (K's) Steepness of the front of the surface of the eye A-Scan Used to measure the length of the eye to assist in the calculation of the power of the intraocular lens to be used in cataract surgery. Aberration The failure of a refracting surface or lens to produce an exact point-to-point correspondence between an object and its image. Ablation Removal of all or part of an object, usually from the surface inward. Accommodating IOL Intraocular lens implant that allows for seamless vision - the ability to see far and intermediate, with some near vision. Can be used in cataract surgery or clear lens extraction. Natural lens is removed and replaced with focusing (accommodating) lens. Accomodation Adjustment by the eye for seeing at different distances, accomplished by changing the shape of the crystalline lens through action of the ciliary muscle. Accounts Receivable Charges outstanding for services rendered to patients. Acuity Clearness. Measured by the smallest object that can be seen at a certain distance. Adjusted charges Difference between gross charges and contractual adjustments. Adjustments Dollar amount written off as a result of contractual adjustments. Adnexa The tissues and structures surrounding the eye: eyelids, orbit, extraocular muscles, and lacrimal system. Aging The process of categorizing patient account totals within certain time segments (usually 30 days) based on the time since the service was rendered. Amblyopia Decreased visual acuity without any apparent disease of the eye.