Vision and Ophthalmology Diagnostic Testing and Equipment 3

Question 1

Indocyanine green angiography (ICGA) is superior to fluorescein angiography for imaging:

Accepted Answer

Choroidal vasculature

Answer

Retinal arterioles

Answer

Iris neovascularization

Answer

Conjunctival vessels

Question 2

The gonioscope is used to examine which ocular structure?

Accepted Answer

Anterior chamber angle (trabecular meshwork)

Answer

Optic nerve head

Answer

Macula

Answer

Lens capsule

Question 3

In automated static perimetry, the mean deviation (MD) parameter represents:

Accepted Answer

The average deviation of all tested points from age-corrected normal values

Answer

The highest single-point sensitivity value

Answer

The variability between test-retest measurements

Answer

The number of points below the 5% probability level

Question 4

Which test is used to detect subtle color vision defects, especially red-green deficiency?

Accepted Answer

Ishihara pseudoisochromatic plates

Answer

Amsler grid

Answer

Snellen chart

Answer

Maddox rod

Question 5

Ultrasound biomicroscopy (UBM) is particularly useful for imaging which structures?

Accepted Answer

Anterior segment structures behind the iris (ciliary body, sulcus)

Answer

Posterior segment retina

Answer

Optic nerve sheath

Answer

Extraocular muscles

Question 6

The Amsler grid primarily tests which area of the visual field?

Accepted Answer

Central 10–20 degrees (macular function)

Answer

Peripheral visual field

Answer

Blind spot location

Answer

Superior arcuate region