Contact lens ncle - Study guides, Class notes & Summaries

NCLE Exam Prep Questions and Answers Latest Update (2024/2025) 100% Pass optic zone - Answer ️️ -the central portion of a contact lens which contains the refractive power and generally corresponds to the central corneal cap posterior apecal radius - Answer ️️ -this term is generally used in reference to spin-cast soft lenses. the curvature of the posterior surface of the lens changes with the refractive power. the radius of curvature is measured at the apex of the posterior surface...

Contact Lens – NCLE: Exam Review Questions and answers, VERIFIED/ Increasing the sagittal depth of a rigid lens will: - -Not change the effective power of the lens If the diameter of an R.G.P. lens is 9.2 mm and is fitting too steep on the cornea, what adjustment could be made to the lens? - -Decrease the diameter The DK value of a lens is: - -Oxygen permeability of the material All of the following are functions of a wetting solution except: - -It helps to clean the lenses after rem...

NCLE Practice Test 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 - 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 - a)-4.50 +1.00 x75 When a keratometer is being calibrated, w...

NCLE Advanced Exam Study Guide Which of the following medications may affect successful contact lens wear? a. antacids b. antihistamines c. aspirin d. laxatives - antihistamines Which term refers to a sensitivity to light A.presbyopia B.Photophobia C.Pannus D. Ptosis - Photophobia The following is an example of what type of astigmatism? K's 42.50 @180 /40.50 @90 A. with the rule B. Lenticular astigmatism C.Against the rule D. Irregular astigmatism - Against the rule astigm...

NCLE Contact Lens Exam 2 Questions with correct Answers Selection of Toric lens depends on: - ️️ 1) ocular health and exam findings 2) agreement with patient on which best fits their needs frequency of replacement depends on tendency for coatings, wearing schedule, etc Other things to keep in mind for toric follow ups and ordering - ️️ Order trial lens and perform f/u before ordering multipacks -Power should be close enough to be functional and allow adaption -VAs with trials can ...

Contact Lens - NCLE with complete solution

NCLE Test Questions with Complete Solutions Grade A 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 - ️️ 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 - ️️ a. back vertex power The slit-lamp illumination that gives an overall view of the c...

Contact Lens - NCLE Questions and Answers

NCLE Test Questions And Answers Latest Update 2023/2024 (Graded A+). 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 the following targets will provide the most reliable result? a)the single-cut anterior surface of a high-plus lens b)a perfectly flat highly polished mirror c) a set of steell balls of known r...

NCLE Practice Test 100% Solved 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 bei...