Workshop: Slit Lamp Photography Workshop (WS)

Date and Time: November 15th, 2015, Sunday, 9:45 am- 11:15 am.

Location: Red Rock II Ballroom

1

Slit Lamp Illuminations

Direct

Illuminations Conical Beam-Pinpoint

Illumination

Specular Reflection

Uses

Degree of inflammation

Cells & Flare

Corneal Endothelium

Beam Smallest Circle Beam

Moderate Slit

Magnification 45° High/Opposite angle

Direct

Illuminations Diffused Illumination

(Broad Beam)

Parallelpiped Optical Sectioning

(Narrow Slit)

Tangential Illumination

Uses

General survey of external

structures

General survey of the cornea and

conjunctiva

Thickness of the cornea

A/C Depth CL Fitting

Surface treatment of the iris

Beam Wide / Oblique

Slit Beam 45° Narrow Slit 45°-60° Moderate/Wide Beam

Sharp Oblique

Magnification Low Moderate Slit Moderate to High Low to Moderate

2

Indirect

Illuminations Retroillumination

From Fundus

Iris Transillumination Slit Lamp Photography Practice Guide

□ Diffuse Illumination (high magnification)

□ Fine slit beam (stromal layer)

□ Broad Tangential (cornea) □ Sclertotic Scatter (low magnification) □ Retroillumination (lens and iris)

□ Work on specific lighting techniques / explore

different techniques

Uses Red Fundus Reflex as background

Anterior vitreous/lens/A/C/cornea

Iris Defects

Beam Moderate slit Full Circle Beam

Magnification Low to Moderate Moderate Orange Light

Adopted from Yasuka,Taraba Slitlamp Table Adeline Stone, COT CRA CDOS

Indirect

Illuminations Proximal Illumination

Scelrotic Scatter Direct Retroillumination

From Iris

Indirect Retroillumination

From Iris

Uses Location of opaque object Disturbance in Corneal transrency Corneal abnormalities More apparent from light to dark

Beam Moderate / Narrow Wide beam (temporal limbus) Moderate Moderate slit

Magnification Low / Moderate Low / View From Side Directly in from of reference light Adjacent to reference light