Slit Lamp Examination

Results

The slit lamp examination uses an instrument that provides a magnified, three-dimensional (3-D) view of the different parts of the eye.

Slit lamp examination
Normal:
  • The eyelashes, eyelids, and lining of the eyelids (conjunctiva) look normal.
  • All of the structures inside of the eye look normal.
Abnormal:
  • Cataracts are seen.
  • Changes are found in the cornea, such as an irregularly shaped cornea or a corneal scratch (abrasion), ulcer, or infection
  • A foreign body, such as a metal fragment, is found.
  • Infection, such as iritis or conjunctivitis, is found.
  • Bleeding is seen between the iris and cornea (hyphema) from a sudden break in a blood vessel or as a result of an injury to the eye.

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Author: Alison AllenLast Updated: August 16, 2007
Medical Review: Patrice Burgess, MD - Family Medicine
Ian MacDonald, MDCM, FRCSC - Ophthalmology
Andrew Swan, MD, CCFP, FCFP - Family Medicine

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Topic Contents
 Test Overview
 Why It Is Done
 How To Prepare
 How It Is Done
 How It Feels
 Risks
Arrow PointerResults
 What Affects the Test
 What To Think About
 References
 Credits