Corneal topography - Study guides, Class notes & Summaries

Certified Ophthalmic Assistant (COA) Questions and Answers Already Passed ____ ____ ____ is a major contributing factor in contracting the parasitic organism Acanthamoeba. Contact lens wear ____ ____ is a red dye useful in evaluating the integrity of the corneal epithelium. Rose bengal ____ are used to determine sensitivity of organisms to certain drugs so that effective therapy can be carried out. Cultures ____ devices create three dimensional digital images of the optic nerve, ...

Optometry Vocabulary Test Questions and Answers Corneal Topography - Answer-Map of the variations of curvature in the cornea Corneal Ulcer - Answer-Localized infection in anterior portion of cornea; can be bacterial, fungal, or viral; commonly secondary to contact lens overwear Diabetic Retinopathy - Answer-Changes in the retina due to longstanding or uncontrolled DM; may include hemorrhages, cotton wool spots, exudates, and neovascularization Diagnosis - Answer-The decision reached...

"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...

A contact lens wearer presents with acute red eyes. The fitter would most likely ask the patient: a) Do you always wash your hand before inserting your lenses b) What lens care products have you been using c) Do you have a history of blepharitis d) Have you injured your eye recently - Answer-b) What lens care products have you been using A corneal topography map of a patient with keratoconous would most likely show a/an: a) central plateau with symmetrical steepening in the mid-periphery ...

Certified Paraoptometric Test Flash Cards Exam Review 2024/2025 A+ Graded What is the measure of the finest detail the eye may detect? A. Keratometry B. Visual field C. Visual acuity D. Retinoscopy - ANS-C. Visual acuity Corneal Topography is used to screen patients before refractive surgery and diagnose refractive disorders and diseases. A. True B. False - ANS-A. True What happens when someone is diagnosed with keratoconus? A. The retina pulls away from the eyelid B. The cornea th...

What is NOT important when documenting the history of an ocular injury? - Answer-Presence of others when injury occurred Globe rupture following blunt force injury should always be suspected when - Answer-retinal detachment, vitreous hemorrhages, and a rupture of the choroid are present Sudden loss of vision in one eye MOST likely indicated - Answer-CRAO Which one of the following ocular conditions will LEAST likely present in a patient's family history - Answer-Conjunctivitis Proliferat...

Contact Lens – Topography Exam Review 2024/2025 1 / 21 Zones of the Cornea for Topography: Names, Location...

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...

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...

What diagnostic test would be performed for Oculoplastic Surgery? - Photography, external measurements (exophthalmometry), visual field testing, optional: Schirmer testing What diagnostic test would be performed for Extraocular muscle surgery? - Photography, muscle balance What diagnostic test would be performed for Corneal Surgery? - corneal topography, optional: pachymetry, keratometry specular microscopy What diagnostic test would be performed for Refractive Surgery? - Corneal topogr...