light reflex

(redirected from fundus reflex)
Also found in: Thesaurus, Medical, Encyclopedia.

light reflex

n.
Contraction of the pupil of the eye in response to an increase in light.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.light reflex - reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smallerlight reflex - reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller
References in periodicals archive ?
The color of the fundus reflex in the light adapted state has also been described as golden-yellow, gray-white, and yellow-white.
A case of Oguchi disease with disappearance of golden tapetal-like fundus reflex after vitreous resection].
Intravitreal hemorrhage scaling according to the diabetic retinopathy vitrectomy study Description Grade No vitreous hemorrhage 0 Mild vitreous hemorrhage with visible fundus details 1 Moderate vitreous hemorrhage with no visible fundus details 2 but with an orange fundus reflex Severe vitreous hemorrhage with no retinal details and no 3 orange fundus reflex Table 2.