Slit Lamp Illuminations

Question 1

uses for specular reflection 6

Answer 1

-endothelium mosaic
-tear film
-precorneal fluid
-mucus secretion
-lipid layer
-depression of the anterior and conjunctival surface

Question 2

uses for optic section 7

Answer 2

-corneal thickness
-layers of the cornea
-aqueous flare
-depth of opacities
-scars
-foreign bodies
-thickening and thinning of cornea

Question 3

uses for sclerotic scatter 3

Answer 3

-corneal edema
-observe if a disturbance of the normal transparency is present
-observe the position and movement of cls in situ

Question 4

uses for parallelpiped 3

Answer 4

-broad view of the anterior and posterior corneal surfaces
-general survey of eye -scars, abrasions, blood vessels
-cornea surface irregularities

Question 5

use for conical beam

Answer 5

observe debris floating in the anterior chamber , red/white blood cells , granules of pigment
-aqueous flare

Question 6

uses of indirect retro illumination 4

Answer 6

-study of iris and cornea for pathology
-opaque foreign body imbedded in the cornea (exact location)
-find the vesiculation of corneal epithelium
-ghost vessells

Question 7

uses of retro illumination 7

Answer 7

-scars
-pigments
-neovascularisation
-edema at the epithelium
-microcysts
-cl deposits
-corneal precipitation