# Night Blindness

**IRI:** https://folio.openlegalstandard.org/R9aPd17Cb8wTbqBJQiND1By

## Labels

**Preferred Label:** Nyctalopia

**Alternative Labels:**

- Night Vision Deficiency

## Definition

Night Blindness, also known as Nyctalopia, is a visual impairment that affects an individual's ability to see in low light or darkness. This condition can result from various underlying issues such as retinal disorders, vitamin A deficiency, or cataracts, and significantly impacts activities that require good vision in dim lighting.

## Sub Class Of

- https://folio.openlegalstandard.org/R8aoLYQoIooB9xRkhiMtgR4

**Deprecated:** False