NCLE Test Questions and Answers 100% Correct
NCLE Test Questions and Answers 100% Correct NCLE Test Questions and Answers 100% Correct NCLE Test Questions and Answers 100% Correct Assessment of the quality of the peripheral curves (blends of a rigid contact lens) is achieved by the use of the- a. profile analyzer b. shadow graph c. keratometer d. burton light - ANSWER-a. profile analyzer Contact lens power should be specified in- a. back vertex power b. sphero-cylinder power c. power in situ d. posterier apical radius - ANSWER-a. back vertex power The slit-lamp illumination that gives an overall view of the cornea but limits detail is- a. sclerotic scatter b. diffuse c. specular reflection d. oscilatory - ANSWER-b. diffuse When a keratometric miers reflected off a soft contact lens are only clear when the wearer blinks, the lens fit is too- a. small b. large c. steep d. flat - ANSWER-c. steep Transient keratometric mier distortion is usually due to- a. pre-ocular tear film abnormalities
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