NCLE Exam QuestionsWith Correct Answers Latest Graded A+

NCLE Exam QuestionsWith Correct Answers Latest Graded A+. A good example of a bifocal contact lens which may rotate without vision imparement is: a. aspheric b. executive c. fused crescent d. tangent streak - Answer d. tangent streak Keratoconus and penetrating keratoplasty fittings are best accomplished by which of the following methods? a. nomogram b. Ks and Rx c. diagnostic fitting d. molded impression - Answer c. diagnostic fitting Given the following information: K's 45.00/44.00 @ 90 Rx -3.00 + 1.00 x 180 Which of the following set of lens specifications would most simulate an intrapalpebral RGP fitting? B.C Rx Dia. a. 44.50 -2.50 8.5 b. 43.50 -1.50 8.5 c. 43.50 -1.50 9.5 d. 44.50 -2.50 9.5 - Answer B.C Rx Dia. a. 44.50 -2.50 8.5 NCLE Test Questions And Answers (NUMBER 22) Given the following information: K's 45.00 @ 180/42.00 @ 90 Rx -2.00 -4.25 x 90 Which of the following RGP lens designs would best correct this wearers vision? a. 45.00 -2.00 b. 42.00 -2.00 -4.25 x 90 prism ballasted c. 42.00 -2.00 d. 42.00/45.00 -2.00 - Answer d. 42.00/45.00 -2.00 A _________ lens is a translating bifocal: a. concentric b. aspheric c. deffractive d. segmented - Answer d. segmented Given the following information: K's 42.50@180/42.50@90 Rx -3.00-1.00@90 Which of the following set of RGP lens specifications will best correct this wearers vision? a. 42.50/43.50 -3.00-1.00x90 b. 42.50 -3.00-1.00x90 prism ballasted c. 42.50 -3.00 d. 43.00 -3.50 - Answer b. 42.50 -3.00-1.00x90 prism ballasted Given the following information: K's 42.00@180/45.00@90 Rx -3.00-2.25x180 Which of the following set of RGP lens specifications will best correct this wearers vision? a. 42.00/45.00 -3.00-2.25 b. 42.00 -3.00-2.75 x 177 prism ballasted c. 42.00 -3.00 d. 45.00 -3.00 - Answer a. 42.00/45.00 -3.00-2.25 A warped lens will show___________ base curve(s) on the radiuscope and a ________ power on the lensometer. a. one/spherical b. two/sphero-cylindrical c. one/sphero-cylindrical d. two/spherical - Answer d. two/spherical The pre-corneal tear film is composed of three distinct layers. They are: a. Lysozyme, oil, lacrimal b. Sebacious, mucoid, BAK c. lipid, lacrimal, mucin NCLE Test Questions And Answers d. water, mucoid, lysozyme - Answer c. lipid, lacrimal, mucin The pre-corneal tear film provides 1. A smooth optical surface 2. Metabolic nutrients 3. Endothelial reflex 4. Limbal Hyperemia a. 1&3 b. 1&2 c. 2&3 d. 3&4 - Answer b. 1&2 The main supply of oxygen to the cornea is derived from the a. Endothelium b. Collagen Fibrils c. Basal membrane d. Tears - Answer d. Tears The cornea has five distinct layers. In order from anterior (front) to posterior(back) they are: a. Epithelium, Descemets membrane, Stroma, Bowmans membrane, Endothelium. b. Endothelium, Stroma, Bowmans membrane, Descemets membrane, Epithelium. c. Epithelium, Bowmans membrane, Stroma, Descemets membrane, Endothelium. d. Endothelium, Bowmans membrane, Stroma, Descemets membrane, Epithelium. - Answer c. Epithelium, Bowmans membrane, Stroma, Descemets membrane, Endothelium. The normal cornea is transparent due to the pump action creating proper fluid balance. Which layer of the cornea is most responsible for maintaining this function? a. Endothelium b. Basal membrane c. Epithelium d. Bowmans membrane - Answer a. Endothelium The normal cornea is in a state of a. Turgesence b. Deturgesence c. Hyperemia d. Hypoxia - Answer b. Deturgesence The cornea receives nutrients from NCLE Test Questions And Answers 1 Aqueous humor 2 Tears 3 Limbal blood vessels 4 Orbicularis occuli a. 1, 3 & 4 b. 2 & 3 c. 1, 2 & 3 d. 3 & 4 - Answer c. 1, 2 & 3 Refraction -1.00-3.00 x 90 K Reading 44.00@180/ 41.00@90 a. BC 41.00/44.00 Power -1.00/3.00 b. BC 41.00/44.00 Power -1.00/-4.00 c. BC 41.00/44.00 Power -4.00/-1.00 d. BC 44.00/41.00 Power -1.00/-3.00 - Answer b. BC 41.00/44.00 Power -1.00/-4.00 book lists C as answer? A dense white appearance of the entire peripheral circumference of the cornea which does not stain and is often seen in the elderly is known as: a. neovascularization b. Dellen c. Arcus senilus d. Corneal ulcer - Answer c. Arcus senilus The main focusing mechanism of the eye is the a. Cornea b. Crystalline Lens c. Retina d. Vitreous - Answer b. Crystalline Lens A normal tear break up time is a. 6-7 seconds b. 10-12 seconds c. Less than 5 seconds d. none of the above - Answer b. 10-12 seconds Which of the following materials will not require a weekly enzymatic cleaner? a. Polymethylmethacrylate lenses b. Sofperm c. Hydroxyethyl Methacrylate lenses d. Silicone - acrylate lenses - Answer a. Polymethylmethacrylate lenses Clinical management of RGP flexure may be eliminated by: a. redicing sagittal vaulting b. increasing center thickness NCLE Test Questions And Answers c. Choosing a lower DK material d. all the above - Answer d. all the above Upon removal of the crystalline lens, the patient is: a. aphakic b. myopic c. hyperopic d. astigmatic - Answer a. aphakic a hardening of the crystalline lens causing loss of accommodation is known as: a. presbyopia b. myopia c. hyperopia d. aphakia - Answer a. presbyopia A rigid contact lens measures +15.00 BVP. The FVP will measure. a. a lesser dioptric reading b. a greater dioptric reading c. an identical dioptric reading d. an astigmatic reading - Answer a. a lesser dioptric reading Which of the following will not measure lens parameters