Contact Lens Evaluation for Nonfitters

KEY POINTS

• The slit lamp exam is key in determining candidacy for contact lenses.

• Regular fluorescein dye will stain soft contact lenses!

• A lens that is placed on the eye in the office should be allowed at least 30 minutes to equilibrate.

• The slit lamp exam is used to differentiate between blurred vision caused by the contact lens vs. that caused by corneal compromise.

• The contact lens patient must be examined with the lenses both on and off.

Some slit lamps have a lens holder attachment for evaluation of soft or rigid lenses. This makes it possible to evaluate the lens surface without the interference of secretions, blinks, and tears.

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