Coa Exam Study (Jcahpo)

Abrasion {Ans: Rubbing off of the superficial layer}AC/A {Ans: Accommodative convergence/accommodation ration; expressed as the ratio between convergence caused by accommodation (in prism diopters) and accommodation (in diopters).}meibomian glands {Ans: The largest oil-secreting glands, which are embedded in the posterior connective tissue substance of the lids}Iris {Ans: The most anterior structure of the uveal tract.}Lens {Ans: A transparent biconvex structure situated between the iris and the vitreous.}Adie's pupil {Ans: A tonic pupil with sluggish response to lights, accommodation, and convergence.}Abduct {Ans: to turn away from the midline}Adnexa oculi {Ans: Accessory structures of the eye, such as the lacrimal apparatus and the eyelids.}Bowman's membrane {Ans: Acellular layer of cornea that has no regenerative capabilities. Function is unclear.}Endothelium {Ans: 4-6um thick layer of the cornea made of 500,000 cells that maintains corneal deturgescence. No regenerative abilities.}Acuity {Ans: Clearness; visual acuity is measured by the smallest object that can be seen at a certain distance.}Sclera {Ans: white opaque fibrous shell, main purpose is to protect eye}Limbus {Ans: The gray, semitransparent area which demarcates the junction of the cornea and sclera.}A-scan {Ans: An ultrasound technique to determine the axial length