Examination of the Cornea

The cornea is examined with a point light source and a loupe (Fig. 1.10). The cornea is smooth, clear, and reflective. The reflection is distorted in the presence of corneal disorders. Epithelial defects, which are also very painful, will take on an intense green color after application of fluorescein dye; corneal infiltrates and scars are grayish white. Evaluating corneal sensitivity is also important. Sensitivity is evaluated bilaterally to detect possible differences in the reaction of both eyes. The patient looks straight ahead during the examination. The examiner holds the upper eyelid to prevent reflexive closing and touches the cornea anteriorly (Fig. 1.11). Decreased sensitivity can provide information about trigeminal or facial neuropathy, or may be a sign of a viral infection of the cornea.

— Examination of the anterior portion of the eye.

— Examination of the anterior portion of the eye.

Loupe For Examining Eye
Fig. 1.10 The examiner evaluates the eye using a focal light source and loupe magnification.

1.9 Examination of the Anterior Chamber

Evaluation of corneal sensitivity.

Evaluation of corneal sensitivity.

Fig. 1.11 Corneal sensitivity can be evaluated with a distended cotton swab. The patient looks straight ahead while the examiner holds the upper eyelid and touches the cornea anteriorly.

How To Reduce Acne Scarring

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Acne is a name that is famous in its own right, but for all of the wrong reasons. Most teenagers know, and dread, the very word, as it so prevalently wrecks havoc on their faces throughout their adolescent years.

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Responses

  • lidya
    How cornea is examined?
    2 years ago

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