👉 Retinal is a term used in visual acuity tests, specifically in the field of ophthalmology. Retinal refers to the retina, which is composed of two layers: the outermost layer, called the fovea, and the innermost layer, known as the macula. The fovea serves as the primary focus for vision, while the macula is responsible for processing visual information. The term "retinals" refers to the state or condition of a person's retinal
