NCLE Practical Exam

NCLE Practical Exam Which Curve is the Flattest? A) 7.5 mm B) 44.75 D C) 7.6 mm D) 45.50 D - 7.6 mm Inflammation of the Eyelids is Called: A) Palpebritis B) Keratitis C) Conjunctivitis D) Blepharitis - Blepharitis The Base Curve of a Rigid Lens was Ordered at 7.75 mm but Received at 7.85 mm. The Lens is _______ than ordered. A) 0.50 D Flatter B) 0.50 D Steeper C) 1.00 Flatter D) 1.00 Steeper - 0.50 D Flatter The Fairness To Contact Lens Consumers Act of 2003 was Enacted By: A) FTC B) FDA C) HiPPA D) ANSi - FTC What Modification Does Not Loosen a Rigid Lens? A) Reduce Diameter B) Reduce Optic Zone C) Increase Radius of Curvature of CPC D) All Of These Loosen The Fit - All Of These Loosen The Fit The Corneal Layer is Responsible for Maintaining Deturgence is the : A) Epithelium B) Endothelium C) Bowman's Membrane D) Stroma - Endothelium A -3.25 D Rigid Lens with a Base Curve of 45.25 gives Excellent Vision. If the Base Curve is Changed to 46.00, What Lens Power Should Be Ordered? A) -2.50 D B) -3.25 D C) -4.00 D D) -4.75 D - -4.00 D Spots that Appear Dark & Do Not Change Position after Blinking Indicate : A) Chronic Edema B) Corneal Abrasion C) Dryness D) Poor Contact Lens Centration - Dryness A Rigid GP Lens with a Base Curve of 7.30 mm Fits Slightly Tight. To Improve Fit, What Base Curve Should Be Ordered? A) 7.20 mm B) 7.25 mm C) 7.35 mm D) 7.40 mm - 7.35 mm Rx : +9.00 +1.00 x175 KS 42.00 @ 20 / 43.00 @ 110 Vertex Distance = 10 mm What Base Curve & Power Should Be Ordered for a Rigid Lens +0.50 D flatter than K? A) 41.50 D , +9.50 D B) 41.50 D , +10.50 D C) 42.50 D , +9.50 D D) 41.50 D , +11.50 D - 41.50 D , +11.50 D What Trait is usually Associated with Contact Lens Success? 1 - BUT's Longer than 15 Sec 2 - Good Manual Dexterity 3 - Low Regular Astigmatism 4 - Refactive Error Less Than +/- 1.00 D A) 1 & 2 B) 2 & 3 C) 1, 2 & 3 D) All 4 - 1, 2 & 3 Contact Lens Thickness is Measured with a : A) Keratometer B) Radiuscope C) Shadowgraph D) Thickness Gauge - Thickness Gauge Using Rigid Lenses to Gradually Reshape the Cornea is Called : A) Lasik Surgery B) Orthokeratology C) Radial Keratology D) Radial Keratotomy - Orthokeratology A Long Time Successful Wearer of Fluorocarbon Silicone Acrylate Lens Presents with Superficial Punctate Keratitis. This is Likely The Result of : A) GPC B) Lens Deposits C) Over Wearing the Lenses D) Neovascularization - Lens Deposits Myoflange Lenses are used in cases of _____ lenses. A) Low Minus B) High Minus C) Low Plus D) High Plus - High Plus Early Stages of Keratoconus may be Detected with : A) Keratometer B) Radiuscope C) Retinoscope D) Slit Lamp - Keratometer Which Bifocal Contacts Can Rotate WITHOUT Affecting Vision? A) Annular B) Executive C) Fused D) Tangent Streak - Annular Therapeutic Lenses Fit for Minimal Movement Would Aid PT With : A) Aphakia B) Kerataconus C) Keratitis Sicca D) Persistent Epithelial Erosion - Persistant Epithelial Erosion Adding a Posterior Intermediate Curve to a Lens : A) Loosens the Fit B) Tapers the Fit C) Changes the Lens Diameter D) Tightens the Fit - Loosens The Fit Decreasing the Diameter of a Minus Lens 1 - Decreases Sagitta Depth 2 - Loosens the Lens Fit 3 - Reduces Lens Weight 4 - Steepens the CPC A) 1 & 2 B) 1, 2 & 3 C) 2 & 3 D) All 4 - 1, 2 & 3 One Month After Fitting, K Readings have Steepened by 2.00 D. What is the Best Course Of Action? A) Increase Lens Diameter B) Increase Lens Thickness C) Flatten the CPC D) Monitor W/ Weekly Follow Up Visits - Flatten the CPC A Lens Stabilization Technique that is Analogous to a Saddle on a Horse's Back is : A) Fenstration B) Prism Ballast C) Posterior Toric D) Truncation - Posterior Toric Corneal Stains Observed with Fluorescein & a Slit Lamp may be Caused By : 1 - Debris on the Posterior Lens Surface 2 - Poor Insertion/ Removal Techniques 3 - Poor Edge Design A) 1 B) 3 C) 1 & 3 D) All 3 - 1, 2 & 3 The pH of the Tear Film is : A) Slightly Acidic B) Slightly Alkaline C) Strongly Acidic D) Strongly Alkaline - Slightly Alkaline What is NOT a Normal Adaptive Symptom for Rigid Lenses? A) Lid Sensations B) Photophobia C) Punctate Stains D) Tearing - Punctate Stains Corneal Health in a RGP Fitting Depends on : 1 - Corneal Diameter 2 - Gas Permeability of the Lens Material 3 - Lens/ Cornea Relationship/ Movement 4 - Size of the Palpebral Fissure A) 1, 2 & 3 B) 2 & 3 C) 2, 3 & 4 D) All 4 - 2 & 3 A Soft Lens on the Eye Demonstrates "Edge Lift". To Correct this, you should : A) Change the Edge Design B) Decrease the Lens Diameter C) Decrease the Radius of Curvature D) Increases the Radius of Curvature - Decrease the Radius of Curvature A -2.00 Trial Lens has a Base Curve of 42.50. The Dr Over Refracts -0.75 D & the New Base Curve will be Ordered at 43.25. What Power will need to be Ordered? A) - 1.25 D B) - 2.00 D C) - 2.75 D D) - 3.50 D - - 3.50 D Retinoscopic Reflex is Blurry Before Blinking, Immediately Clear, Then Blurry again. This Indicates a Soft Lens Fit : A) Properly B) Too Flat C) Too Small D) Too Steep - Too Steep The Best Fluorescein Pattern for a Spherical Lens on a Spherical Cornea is : A) Even Everywhere, Slightly More Centered B) Even Everywhere, Slightly More on Peripheral Curves C) Less in Middle, More on Peripheral Curves D) More in Middle, Less on Peripheral Curves - Even Everywhere, Slightly More on Peripheral Curves Eyeglass Rx : -3.50 -0.75 x 095 KS : 44.75/ 45.50 Vertex Distance : 12 mm What is the Power of a Rigid Lens Fit 0.50 Steeper than K?