Fovea

Definition

The fovea is a small depression in the retina of the eye where visual acuity is highest. It is densely packed with cones, which are photoreceptor cells responsible for color vision and detailed sight in well-lit conditions.

Related terms

Retina:

The light-sensitive layer of tissue at the back of the inner eye that converts light images into electrical signals sent to the brain.

Cones:

Photoreceptor cells in the retina that function best in bright light and are capable of perceiving color and fine detail.

Visual Acuity: The ability of the eye to see fine details, measured by one's capacity to discern letters or numbers at a standardized distance on an eye chart