Ncle practice exam - Study guides, Class notes & Summaries

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

NCLE Practice Exam Questions and Answers (Graded A)

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+

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...

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...

ABO & NCLE Practice Exam Questions and Answers Already Passed.

NCLE COMPREHENSIVE PRACTICE EXAM QUESTIONS AND ANSWERS|STUDY GUIDE| LATEST UPDATE 2024 SCORED A+ 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. steeper base curve -Answeroccurs when the posterior radius of curvature is decreased...

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