Ncle basic exam Guides d'étude, Notes de cours & Résumés

What is the Secondary/intermediate curve? - Answer The curve on the posterior side of the contact lense between the base curve and peripheral curve. Usually 0.7mm to 1.6mm flatter than the base curve radius. The width is affected by the OZ diameter and peripheral width. What is the peripheral curve? - Answer The outermost curve on the posterior side of the contact lens. It clears the flatter periphery and prevents lens impingement in the limbal areas What measurements effect the size of th...

Diffused Illumination -Answer -Uses widest slit, longest aperture -Light source positioned at an angle of 40º-50º -Used to view overall areas, to observe the ocular adnexa, cornea, sclera, lids, conjunctiva, lens surface, and CL fitting characteristics Direct Illumination -Answer -Most important/useful illumination -Light source positioned at an angle of 40º-50º to oculars -Light beam and oculars are focused in coincidence on area being evaluated -The difference in the illumination is...

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Diffused Illumination - ANSWER -Uses widest slit, longest aperture -Light source positioned at an angle of 40º-50º -Used to view overall areas, to observe the ocular adnexa, cornea, sclera, lids, conjunctiva, lens surface, and CL fitting characteristics Direct Illumination - ANSWER -Most important/useful illumination -Light source positioned at an angle of 40º-50º to oculars -Light beam and oculars are focused in coincidence on area being evaluated -The difference in the illumination...

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NCLE basic Exam kit Questions and Answers 2023

"K" is the ____ of the two meridians - flatter 4 refractive mediums - -Cornea -Aqueous -Crystalline Lens -Vitreous A ____ fitting lens is fitted flatter than K and will touch at the corneal apex with excessive movement over the cornea. It is not uncommon for this lens to fall off the eye or become easily decentered. Such a lens may cause abrasions at the corneal apex and may also cause corneal edema. - loose A lens with a steep CPC that vaults the corneal apex and touches the cornea at...

NCLE Basic Exam Study Guide 2023 with complete solution Diffused Illumination -Uses widest slit, longest aperture -Light source positioned at an angle of 40º-50º -Used to view overall areas, to observe the ocular adnexa, cornea, sclera, lids, conjunctiva, lens surface, and CL fitting characteristics Direct Illumination -Most important/useful illumination -Light source positioned at an angle of 40º-50º to oculars -Light beam and oculars are focused in coincidence on area being evalu...

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Blepharitis : An inflammation of the lid margins Chalazion : A blockage or inflammation of the meibomian glands Ectropion : Outward turning of the eyelids Entropion : inward turning of the eyelid Logophthalmos : Incomplete lid closure Patosos 2 | P a g e : Drooping of the upper lid Stye : Inflammation of a Zeis gland Trichiasis : Inward turning of the eyelashes so they rub against the globe Nevus : Eye freckle Small growth that may be raised Pingecula : Raised yellow bump ...