day blindness (hemeralopia, hemeranopia)

Introduction

Inability to see as distinctly in bright light as in reduced illumination.

Etiology

impaired retinal cone function

Notes

• no general agreement which term, hemeralopia or nyctalopia, means night blindness & which means day blindness

More general terms

• sign/symptom
• retinal disease

Additional terms

• night blindness (nyctalopia, nocturnal amblyopia, nyctanopia)

Database

• OMIM: https://mirror.omim.org/entry/310500