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4 Possible Causes for Tritan Defect on Color Vision Testing

  • Optic Disc Drusen

    Color vision test (HRR and Ishihara plates) results were normal in the right eye, whereas a mild tritan color vision defect was detected in the left eye.[journals.lww.com] The results of color vision tests (HRR and Ishihara plates) were normal in the right eye; however, the left eye exhibited severe red-green and tritan deficits.[journals.lww.com] Humphrey visual field testing revealed superior field defects in the left eye (Fig. 4C).[journals.lww.com]

  • Adult-Onset Foveomacular Vitelliform Dystrophy

    Metamorphopsia was reported bilaterally at the center of OU on Amsler grid testing. Color vision was 9/10 on Ishihara and mild tritan defect on Farnsworth D15 in OU.[paojournal.com]

  • Familial Benign Flecked Retina

    Color vision testing: mild tritan defect. Benign Familial Fleck Retina is an autosomal __________ disorder characterized by ______________.[cram.com] In third or fourth decade patients may notice: * decreased visual acuity * metamorphopsia * paracentral scotoma What color defect is associated with familial drusen?[cram.com]

  • Fleck Retina of Kandori

    Color vision testing: mild tritan defect. Benign Familial Fleck Retina is an autosomal __________ disorder characterized by ______________.[cram.com] In third or fourth decade patients may notice: * decreased visual acuity * metamorphopsia * paracentral scotoma What color defect is associated with familial drusen?[cram.com]

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