Corneal contact lenses - Study guides, Class notes & Summaries

NCLE Study Questions with Correct Answers annular bifocal contact - Answer-A lens with distance portion ground into the center of the lens and the near portion ground into the periphery aphakic lenses - Answer-lenses designed for post-cataract fitting apical zone of cornea - Answer-the central portion of the cornea with a constant radius of curvature. Also called the corneal cap. artificial tears - Answer-medications, many of them over the counter, to treat dry eyes aspheric lens ...

optic zone - Answer the central portion of a contact lens which contains the refractive power and generally corresponds to the central corneal cap posterior apecal radius - Answer this term is generally used in reference to spin-cast soft lenses. the curvature of the posterior surface of the lens changes with the refractive power. the radius of curvature is measured at the apex of the posterior surface. steeper base curve - Answer occurs when the posterior radius of curvature is d...

What is the thickest layer of the cornea? - Answer stroma Which corneal layer controls the fluid content of the cornea? - Answer endothelium What is cornea edema? - Answer excess fluid in the stroma that can swell it and lead to loss of visual acuity What kind of contact lenses must be stabilized (not rotate) on the eye for good vision? - Answer toric contact lenses Concentric vs Aspheric Multifocal Lens Design - Answer aspheric multifocal lenses have a gradual change ...

NCLE Practice Exam Questions With Verified Answers The advantages aphakia have over spectacle lenses - answerLess peripheral aberration Less magnification Increase visual field not having a lens inside your eye - answerAphakia Which of the following can aphakia cause, myopia or hypermetropia? - answerHypermetropia Causes of aphakia - answer*Congenital absence of lens *Surgical Aphakia *Absorption of lens matter *Traumatic extrusion (push or forced out) *Posterior dislocation- in vitre...

1-2mm slit, med to high magnification, cross-sectional view of cornea, corneal clarity, lens deposits, illumination system 45-50 degrees off: a. Indirect microscope, b. Paralellpiped Reflection, c. Sclerotic Scatter, d. Retroillumination - Answer-B. Paralellpiped Reflection 1-2mm slit, med to high magnification, fine lens deposits, subtle corneal imperfections, corneal endothelium, illumination system is 30 degrees off: a. Optic Section, b. Diffuse Reflection, c. Specular Reflection, d. Pa...

Health & Illness Exam 2 Questions & Answers, All Correct-In a patient who has a hemorrhage in the posterior cavity of the eye, the nurse knows that blood is accumulating a. in the aqueous humor. b. between the lens and retina. c. between the cornea and lens. d. in the space between the iris and lens. - b. between the lens and retina. Increased intraocular pressure may occur because of a. edema of the corneal stroma. b. dilation of the retinal arterioles. c. blockage of the lacrimal can...

areas of speciality within optometry - Answer primary care pediatrics vision rehabilitation contact lenses/cornea ocular disease primary care - Answer the diagnosis and management of ocular disease, refractive error and the co-management of oculo-systemic disease, in patients from 12-100+ pediatrics - Answer diagnosis and management of infants and children (6 mo-12 years) as well as Traumatic Brain Injuries (TBIs), developmental disabilities, strabismus and amblyopia, binocula...

Certified Ophthalmic Assistant Exam 2024 with 100%Correct Answers. Which of the following conditions is NOT hereditary? A. Migraines B. Diabetes C. Nystagmus D. Conjunctivitis - D. COnjunctivitis Which part of the patient examination is performed by asking specific questions in an orderly sequence? - History What is an important question to ask a patient that complains of a "red eye"? - Do you have blurred vision? The term used to rear to symptoms due to uncorrected refractive error ...

CPO PRACTICE CARDS EXAM QUESTIONS AND VERIFIED CORRECT ANSWERS LATEST UPDATE 2024/2025 GRADED A+ What is true of a trifocal lens? a. Trifocal lenses are usually made of glass b. Has three different lens powers c. Has three different tints for lenses d. The middle lens is for reading a book b. Has three different lens powers What does a pachymeter measure? a. Pressure in the eye b. Thickness of the cornea c. Refractive power of the eye d. Curvature of the cornea b. Thickness of the ...

COA JCAHPO Test Questions with Verified Solutions 2 families of antibiotics Aminoglycoside antibiotics fluroquinolone antibiotics 2 types of Astigmatism - Regular Astigmatism - Irregular Astigmatism 3 layers of Tear Film 1. Outer Lipid Layer or Oily 2. Aqueous Layer 3. Mucous Layer 3 Test used to measure muscle imbalance? Krimsky Test Maddox Rod prism Test Cover Test 6 Types of contact gonio lenses 1. children's gonio lens 2. single-sided gonio lens 3. goldmann three...