✦ LIBER ✦

Lanthony's new color test — part III the neutral zone

✍ Scribed by Alfred Pinckers

Book ID: 104637042
Publisher: Springer Netherlands
Year: 1979
Tongue: English
Weight: 429 KB
Volume: 1
Category: Article
ISSN: 0165-5701
DOI: 10.1007/bf00137497

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✦ Synopsis

With the New Color Test (NCT) the neutral zone was studied in hereditary and acquired dyschromatopsias. Acquired type III blue-yellow defects with neutral zone occurred in heredo-atrophies of the optic nerve, in edematous maculopathies, in choroidal atrophy, in myopia, in glaucoma and in retinitis pigmentosa. With exclusion of the autosomal dominant inherited cases, the type III neutral zone in retinitis pigmentosa becomes complicated by a type I neutral zone when the visual acuity dropped to 0.2.

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