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G810
G810 – Corneal topography, professional component
OHIP Diagnostic and Therapeutic Procedures Code — DIAGNOSTIC AND THERAPEUTIC PROCEDURES · Schedule of Benefits
Corneal topography is the topographical mapping of the cornea. This service is for the purpose of assessing patients with the same indications as those set out for keratometry (G811).
The eligible indications are for 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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