Objective 2 Flashcards
In tangential illumination, what part of the slit beam can be adjusted to highlight what is being viewed?
Width
In an eye with significant inflammation, cells can be observed halfway into the anterior chamber within which portion of the beam.
Converging
Name the layer of the cornea best seen with specular reflection.
Endothelium
The conic section or conical beam can also be referred to as:
Pinpoint illumination
Pinpoint illumination is used to observe what in the aqueous
Flare
What is another name for the narrow slit illumination?
Optical Section
If a patient has an iris tumor, its height can be more easily appreciated because of a long shadow of the:
Tangential illumination
Name the first area of the cornea focused on when using specular reflection.
Epithelium
The term “mirror-like” refers to which type of illumination?
Specular
Describe the appearance of the endothelium?
Cobblestone
The primary reason for performing biomicroscopy at this particular juncture in the examination is to identify any ….
Contraindications to completing the refraction Contact lens fitting
Baseline references and product selection.
The slit lamp is a two-handed instrument. True or False?
True
Diffuse illumination has no focus of the light and can be accomplished by using a diffusing filter on focused light or by using a…….
Wide-open light with low magnification.
Use of Diffuse illumination?
Provides a general survey of the external surfaces of the eye.
Uses of Optical Section:
Discover thickening, thinning, and distortions in the cornea or lens.
Estimate depth of foreign bodies or opacities in the cornea or lens.
Examine contact lens-cornea relationship.
Estimate anterior chamber depth.
