Ncle practice exam - Study guides, Class notes & Summaries

NCLE ONLINE PRACTICE EXAM ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS | ALREADY GRADED A+ | LATEST UPDATE A+

NCLE Practice Exam Questions With Verified Answers The advantages aphakia have over spectacle lenses - answerLess peripheral aberration Less magnification Increase visual field not having a lens inside your eye - answerAphakia Which of the following can aphakia cause, myopia or hypermetropia? - answerHypermetropia Causes of aphakia - answer*Congenital absence of lens *Surgical Aphakia *Absorption of lens matter *Traumatic extrusion (push or forced out) *Posterior dislocation- in vitre...

A refractive error that prevents the light rays from coming to a single focus on the retina because of different degrees of refraction in the various meridians of the eye. ~ Astigmatism Condition in which the steepest corneal meridian is in the horizontal plane. 0-30 degrees or 150-180 degrees ~ Against the rule Astigmatism Condition in which the steepest corneal meridian is in the vertical plane. 60-120 degrees ~ With the rule Astigmatism Regular astigmatism in which the princi...

NCLE PRACTICE EXAM 170 ACTUAL QUESTIONS WITH CORRECT EXPERT VERIFIED ANSWERS 100% TOP SCORE

NCLE Practice Exam | Q&A Latest Update 2024/2025 | 100% PASS base curve - Answer -refers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. optical zone - Answer -the chord diameter over which the base curve extends on the posterior surface of the contact lens, described in millimeters secondary or intermediate curves - Answer -lies between the base curve and the per...

base curve - Answer refers to the radius of curvature of the central posterior surface of the lens. It may be expressed in diopters of surface power (D) or in millimeters (mm) of radius or curvature. optical zone - Answer the chord diameter over which the base curve extends on the posterior surface of the contact lens, described in millimeters secondary or intermediate curves - Answer lies between the base curve and the peripheral curve on the posterior lens surface, usually 0.70m...

Rose Bengal testing: A. Is usually not necessary because the same information can be obtained by Schirmer testing B. Will stain devitalized conjunctival epithelial cells brightly C. Will only stain healthy epithelial cells D. Can be used to evaluate RGP lens fit instead of fluorescein ~ B. Will stain devitalized conjunctival epithelial cells brightly When evaluating tear film break up time: ~ A break-up-time of less than 10 seconds may preclude success with contact lenses The prese...

NCLE PRACTICE EXAM QUESTIONS AND ANSWERS FOR 2024 EXAM SCORED A+ Assessment of the quality of the peripheral curves (blends of a rigid contact lens) is achieved by the use of thea. profile analyzer b. shadow graph c. keratometer d. burton light -Answera. profile analyzer Contact lens power should be specified ina. back vertex power b. sphero-cylinder power c. power in situ d. posterier apical radius -Answera. back vertex power

NCLE Practice Exam Questions with Correct Answers What is the thickest layer of the cornea? - Answer-stroma Which corneal layer controls the fluid content of the cornea? - Answer-endothelium What is cornea edema? - Answer-excess fluid in the stroma that can swell it and lead to loss of visual acuity What kind of contact lenses must be stabilized (not rotate) on the eye for good vision? - Answer-toric contact lenses Concentric vs Aspheric Multifocal Lens Design - Answer-aspheric mult...

NCLE PRACTICE EXAM LATEST VERSION 2024 ACTUAL EXAM CONTAINS 200 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+