COT Flashcards : Photography and Videography
In a red-free photography taken through a green filter
A. veins and arteries appears black; optic nerve appears white
B. veins and arteries appear white; optic nerve appears black
C. fluorescein dye is present in the arteries and choroid only
D. arteries and capillars fluoresce
A. veins and arteries appears black; optic nerve appears white
Specular microscopy images are used to
A. identify bacteria
B. identify retinal abnormalities
C. measure corneal endothelial cell density
D. measure corneal thickness
C. measure corneal endothelial cell density
What is the earliest phase of retinal circulation in fluorescein angiography?
A. Arterial phase
B. Capillary phase
C. Choroidal flush
D. Venous phase
A. Arterial phase
Retroillumincaton detects
A. opacities or defects in the iris
B. eyelids or eyelash anomalies
C. the palprebral conjunctiva or sclera
D. adverse corneal effects from contact lenses
A. opacities or defects in the iris
Gonioscopy is a technique for imaging the
A. junction of the iris and the cornea
B. axons of the optic nerve head
C. chiasmal and post chiasmal field defects
D. nerve fiber pathways above the raphe
A. junction of the iris and the cornea
Which dystrophy is notes by wart like deposits on Descemet’s membrane, thickening of Descemet’s membrane, and defects of size and shape of the endothelial cells?
A. Fuch’s dystrophy
B. Narrow angle glaucoma
C. Lattice corneal dystrophy
D. Retinal detachment
A. Fuch’s dystrophy
What type of stromal corneal dystrophy is manifested by a dense gray central opacity that starts in Bowman’s layer?
A. Mascular
B. Granular
C. Lattice
D. Reis-Bückler
A. Mascular
What fluorescein angiography phase is present when fluorescein dye is indicated in the arteries and choroid only?
A. Arterial
B. Normal
C. Early venous
D. Late venous
A. Arterial
What fluorescein angiography phase is present when arteries and capillaries fluoresce?
A. Arterial
B. Normal
C. Early venous
D. Late venous
C. Early venous
What fluorescein angiography phase is present when there is a full filling of larger veins?
A. Arterial
B. Normal
C. Early venous
D. Late venous
D. Late venous
What fluorescein angiography phase is present when there are no white areas of leakage seen and diminution of fluorescence in all retinal blood vessels is indicated?
A. Arterial
B. Normal
C. Early venous
D. Late
D. Late
What is the term for mid-phase fluorescein angiography?
A. Arterial phase
B. Fluorescein leakage
C. Choroidal flush
D. Venous phase
D. Venous phase
