NCLE Review Questions | 175 Questions with 100% Correct Answers | Updated & Verified | 33 Pages
DK/L Stands for: a. oxygen permeability, b. thermal conduction, c. oxygen transmissibility, d. wettability - C. Oxygen Transmissibility A prism ballast, trunctated lens is on a left eye. The cylinder axis is 90 degrees. Prism base is noted to rotate 15 ddegrees nasally. What cylinder axis shoud be ordered to compensate for the rotation? a. 95, b. 105, c. 110, d. 75, e. 80 - B. 105 Small superficial linear stains are characteristic of? a. foreign particles under the lens, b. poor insertion, c. exposure, d. unblemded peripheral curves, e. flat lens corneal relationship - A. Foreign particles under the lens A patient has the following prescription: OD -4.50 -2.00 x 010 "k" 44.25@10/46.25@100 A trial lens of -2.00 -1.75 x 020 is placed on the eye. Using a -1.25 OR and the base pivots 10 degrees nasal, which lens should be ordered? a. -3.25 -1.75 x 010, b. -3.25 -1.75 x 180, c. -3.25 -1.75 x 020, d. -3.25 -1.75 x 030 - B. -3.25 -1.75 x 180 Diffuse corneal stippling observed during a routine 6 month follow up visit is most likely due to: a. microcystic edema, b. posterior surface deposits, c. warped lens, d. gross edema, e. incorrect power - B. Posterior surface deposits
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