Vision and Ophthalmology Diagnostic Testing and Equipment 2

Question 1

Electroretinography (ERG) measures the electrical response of which cells in the retina?

Accepted Answer

Photoreceptors and bipolar cells (a-wave and b-wave)

Answer

Ganglion cells only

Answer

Müller cells only

Answer

Retinal pigment epithelium only

Question 2

The Humphrey visual field analyzer uses which method to test the visual field?

Accepted Answer

Static automated perimetry (stationary targets at fixed locations)

Answer

Kinetic perimetry (moving targets)

Answer

Confrontation fields

Answer

Amsler grid

Question 3

Specular microscopy is used to evaluate which ocular structure?

Accepted Answer

Corneal endothelium (endothelial cell count and morphology)

Answer

Trabecular meshwork

Answer

Retinal nerve fiber layer

Answer

Lens cortex

Question 4

Which imaging modality is the gold standard for evaluating the optic nerve fiber layer in glaucoma?

Accepted Answer

Optical coherence tomography (OCT)

Answer

Fundus photography

Answer

Fluorescein angiography

Answer

B-scan ultrasonography

Question 5

The pupillary light reflex is evaluated clinically using which test for afferent pathway defects?

Accepted Answer

Swinging flashlight test (RAPD)

Answer

Worth 4-dot test

Answer

Confrontation fields

Answer

Color vision testing

Question 6

Pachymetry measures which parameter of the cornea?

Accepted Answer

Thickness

Answer

Radius of curvature

Answer

Endothelial cell density

Answer

Transmittance