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JCAHPO COT Exam-study guide Latest Update Actual Exam 150 Questions and 100% Verified Correct Answers Guaranteed A+ Approved by the Professor$20.49
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JCAHPO COT Exam-study guide Latest Update
2024-2025 Actual Exam 150 Questions and 100%
Verified Correct Answers Guaranteed A+
Approved by the Professor
A +2.00 diopter lens will bring light from a distant source to focus at:
A. 0.5m
B 2.0 cm
C. 2.0 m
D. 5.0 cm - CORRECT ANSWER: A. 0.5 m
A 32-year old male who has recently changed from PMMA contact lens to soft contact
lens complains that his vision is not as sharp as previously. What is the most likely
explanation?
A. accommodative spasm
B. Corneal neovascularization from previous hard contact lens wear
C. Improper choice of power of soft lens
D. Uncorrected astigmatic refractive error - CORRECT ANSWER: D. Uncorrected
astigmatic refractive error
A 79 year old female is taking medication for open angle glaucoma. She has a syncopal
episode and is found to have a pulse rate of 36 beats per minute. Which of the following
glaucoma indications is MOST likely responsible?
A. Acetazolamide
B. Mannitol
C. Pilocarpine
D. Timolol - CORRECT ANSWER: D. Timolol
A child with the tentative diagnosis of an intraocular tumor is referred to a pediatric
ophthalmologist. Which following COULD you tell the parents?
,A. Is there a family history of ocular tumors?
B. Pediatric ophthalmologists are very knowledgeable in the diagnosis and treatment of
intraocular tumors.
C. Tumors of this type may be fatal
D. Your child will see normally following treatment - CORRECT ANSWER: B. Pediatric
ophthalmologists are very knowledgeable in the diagnosis and treatment of intraocular
tumors.
A contact lens fit 'steeper than K' means that:
A. A minus tear lens is created
B. If corneal radius 7.6mm, the contact lens radius could be 7.8mm
C. If the cornea measures 44.00 diopters, the contact lens curvature could be 44.50
diopters.
D. The base curve of the contact lens has the same radius of curvature as the anterior
cornea. - CORRECT ANSWER: C. If the cornea measures 44.00 diopters, the contact
lens curvature could be 44.50 diopters.
A convergence movement is noticed after removing an occluder from the patients eye.
The patient is:
A. Esophoric
B. Esotropic
C. Exophoric
D. Exotropia - CORRECT ANSWER: C. Exophoric
A cycloplegic refraction is performed:
A. To determine the true refractive error of the eye
B. On the elderly
C. With balancing
D. without refinement - CORRECT ANSWER: A. To determine the true refractive error of
the eye
, A hysterical field will:
A. be normal only in one eye
B. Be severely constricted
C. Have an abnormal blind spot
D. Reveal a star-shaped pattern - CORRECT ANSWER: A. be normal only in one eye
A K-reading of 44.50 @ 180/ 41.50 @ 90 indicates which of the following:
A. 3 diopters of corneal astigmatism against the rule
B. 3 diopters of corneal astigmatism with the rule
C. spherical cornea
D. Irregular astigmatism - CORRECT ANSWER: A. 3 diopters of corneal astigmatism
against the rule
A lens with the formula +2.00 -3.00 x 090 degrees has what power at 90 degrees and
180 degrees, respectively:
A. +2.00 and -1.00
B. +2.00 and -3.00
C. +5.00 and +3.00
D. -1.00 and +2.00 - CORRECT ANSWER: A. +2.00 and -1.00
A patient who has a TOTAL deficiency of the red visual pigment is classified as:
A. Deuteranomalia
B. Deuteranopia
C. Protanomalia
D. Protanopia - CORRECT ANSWER: D. Protanopia
A patient who is unable to abduct the left eye probably has a weakness of which of the
following extraocular muscles?
A. Accommodation
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