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COA Exam|193 Answered Questions A+ Graded
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COA Exam|193 Answered Questions A+ Graded
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COA Exam|193 AnsweredQuestions A+ Graded
History - -Part of exam performed by asking specific questions in an orderly sequence -Asthenopia - -Term used to refer to symptoms due to uncorrected refractive -Symptoms associated with a red, irritated, bloodshot eye are most likely due to a: - -Conjunctivitis -Types of allergies that should be discussed w/ pt - -Drugs, inhalants, contactants, ingestants, injectants -An improperly measured interpupillary distance (PD) may result in: - -
Induced prism in the spectacle -Miosis - -State of pupillary constriction -Consensual light reflex in the right eye results in: - -Left pupil constriction -If the amount of light info transmitted to brain from one eye differs from the
other, pt has a(an) - -Afferent pupillary defect -Anisocoria - -Term for pupils of unequal size -Test comparing direct and consensual responses to the pupil - -Swinging light test -A disadvantage of chemical-based contact lens care system - -Irritation -Soft CLs are susceptible to deposits of - -Proteins -Permeability of CLs denoted by - -DK -Keratometer - -Instrument that measures curvature of the central part of cornea -Lensmeter - -Instrument that measures power of spectacle lenses -Two items used to clean retinoscopy lens, polarizing lens, red lens, and Maddox rod lens - -Cotton tip swab and glass cleaner -A lens with a focal length of 2m has a power of - -0.5 Diopters -Calibration of applanation tonometer checked by - -measured weight at balancing arm 0, 2, and 6 -Bridge - -Part of spectacle frame connecting the two lenses -Measurement used to determine distance between optical centers of spectacle lenses - -Pupillary distance -Optical centers of spectacle lenses must be properly aligned in order to avoid what effect? - -Prismatic -Addition - -Reading portion of a bifocal Rx -Method useful for measuring astigmatism - -Keratometry -Results of keratometry expressed in - -Diopters -In keratometry, if the power of the vertical meridian is greater than the power of the horizontal, the patien has - -With the rule astigmatism -Corneal curvature measurement is vital to ensure that a CL - -Rests on the tear film -Dioptric power of the cornea determined by - -Keratometer readings -Proper technique to assist visually impaired pts - -Place their hand on your arm at the elbow -Function of tear film - -Hydrate and protect ocular surface -To provide informed consent, pts must - -Comprehend the doctors recommendations -Equipment that comes in contact with pt's skin should undergo - -
Sterilization before every use -Viruses can be seen using what microsope - -Electron microscope -Cycloplegic drops - -Paralyzes accommodation allowing hyperopia to be uncovered -Scrubbing - -Degerming of hands
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