Ncle test stuvia - Study guides, Class notes & Summaries

A Correct Statement regarding epithelial cells is that they: a)Comprise the posterior layer of the cornea b)Are unable to regenerate c)Comprise the thickest layer of the cornea d) Have the ability to reproduce - Answer d) have the ability to reproduce Which of the following prescriptions indicates against-the-rule astigmatism? a)-4.50 +1.00 x75 b)-4.50 +1.00 x 180 c)-4.50 -1.00 x 165 d)4.50 -1.00 x 180 - Answer a)-4.50 +1.00 x75 When a keratometer is being calibrated, which of ...

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 ...

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 ...

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Flat Fluorescein Pattern - ANSWER-Bright green pooling on diameter of lens, very faint green in center Against-the-rule Astigmatism Pattern - ANSWER-Bright green pooling horizontally, faint green pooling vertically With-the-rule Astigmatism Pattern - ANSWER-Bright green pooling vertically, faint green pooling horizontally Prism Ballast - ANSWER-Common technique to stabilize lens from rotating. Added thickness will position lens inferiorly (bottom of cornea) Truncation - ANSWER-Cuttin...

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NCLE 2 Practice Test Questions and Answers 100% AccurateNCLE 2 Practice Test Questions and Answers 100% AccurateNCLE 2 Practice Test Questions and Answers 100% AccurateNCLE 2 Practice Test Questions and Answers 100% Accurate The tear film consists of which the following? a. aqueous layer b. conjunctiva c. lipid film d. mucin film - ANSWER-a c d The primary function of the mucin film is to: change the corneal epithelial surface from a "_________ surface to a ___________ surface" - A...

toric - Answer synonymous with astigmatism multifocal - Answer synonymous with presbyopia/c hybrid CL - Answer combination with GP lens center w/ soft lens outer skirt hydrogel contact lens - Answer most frequently prescribed material contain varying amounts of water comfort is immediate silicone hydrogel contact lens - Answer soft contact lens delivers greater oxygen w/o increasing water content (due to oxygen is more soluble in silicone rubber than water soft contact lens wea...