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G811
G811 – Keratometry, professional component
OHIP Diagnostic and Therapeutic Procedures Code — DIAGNOSTIC AND THERAPEUTIC PROCEDURES · Schedule of Benefits
Keratometry is the measurement of the central 4mm of the cornea for the purpose of assessing patients:
• a. with irregular astigmatism resulting from scarring due to trauma, herpes simplex keratitis, dystrophies (such as Salzman's and map-dot-fingerprint dystrophy) or other inflammatory disorders; or
• b. with keratoconus, pellucid marginal degeneration, keratoglobus, following penetrating keratoplasties or following pterygium excision, or
• c. with corneal thinning or ectasia where corneal cross linking is being contemplated or has been performed.
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