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June 1970

Detection of Melanin in Choroidal Tumors: Use of Ektachrome Infrared Aero Film

Author Affiliations

Christchurch, New Zealand
From Christchurch Hospital, Christchurch, New Zealand.

Arch Ophthalmol. 1970;83(6):700-703. doi:10.1001/archopht.1970.00990030700005

The use of Ektachrome infrared aero film is recommended in fundus photography to reveal melanin, especially to differentiate choroidal melanomata from metastases and other lesions containing no extra melanin. Melanin shows up dark brown while blood shows up yellow, provided the correct exposure is used.