NCLE Practice Test Practical Questions and Answers with Certified Solutions

NCLE Practice Test Practical Questions and Answers with Certified Solutions Steep Fluorescein Pattern - Answer ️️ -Bright green pooling center, very faint green pooling on diameter of lens 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 ️️ -Cutting off .50mm to 1.50mm of bottom edge of lens to provide stability. Reduces diameter, making a looser fit. Double Slab-off - Answer ️️ -Lens is thicker centrally and thinner at top and bottom of lens. Provides comfort to wearer, but may cause some stability issues. Aspheric Lens Design - Answer ️️ - Hyperflange - Answer ️️ -Used to correct high riding minus lenses. Myoflange - Answer ️️ -Used to correct low riding plus lenses. Monovision - Answer ️️ -Corrects presbyopia in contact wearers. One eye uses distance (dominant) and the other eye uses reading (resessive)