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common eye disorders clinical techniques
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eyelid eversion


Indications for irrigation of an eye are biohazard exposures, chemical irritants, acid or alkaline burns, and loosely attached foreign body removal.A Morgan lens attached to flowing normal saline can be inserted to assist in irrigation provided that the cornea is not
foreign body removal
  perforated or a foreign body is not well embedded into the cornea. Do not delay irrigation for a detailed history, vision testing, or examination. Ideally the pH should be checked before irrigation as long as this does not delay irrigation. Litmus paper or urine dipstick can be used to check the pH.

Irrigation with 3-4 litres of normal saline may be adequate in acid exposure if pH is maintained at neutrality 30 minutes after completion of irrigation. In alkaline exposures, irrigation may be required for 24 hours.

The Morgan lens insertion.