variable+visual+acuity

См. также в других словарях:

• Visual acuity — 20/15 and 20/15 vision redirect here. For other uses, see 2020 (disambiguation). Typical Snellen chart used for visual acuity testing. Visual acuity (VA) is acuteness or clearness of vision, which is dependent on the sharpness of the retinal… …   Wikipedia

• eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium

• perception — perceptional, adj. /peuhr sep sheuhn/, n. 1. the act or faculty of apprehending by means of the senses or of the mind; cognition; understanding. 2. immediate or intuitive recognition or appreciation, as of moral, psychological, or aesthetic… …   Universalium

• eye disease — Introduction  any of the diseases or disorders that affect the human eye (eye, human).       This article briefly describes the more common diseases of the eye and its associated structures, the methods used in examination and diagnosis, and the… …   Universalium

• Keratoconus — Classification and external resources The conical cornea that is characteristic of keratoconus ICD 10 H …   Wikipedia

• Kjer's optic neuropathy — Classification and external resources ICD 9 377.16 OMIM 165500 DiseasesDB …   Wikipedia

• nervous system, human — ▪ anatomy Introduction       system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …   Universalium

• Corrective lens — A bifocal corrective eyeglass lens A pair of contact le …   Wikipedia

• Color blindness — Colorblind and Colourblind redirect here. For other uses, see Colorblind (disambiguation). Color blindness or color deficiency Classification and external resources An 1895 illustration of normal vision and various kinds of color blindness …   Wikipedia

• Toxic and nutritional optic neuropathy — Classification and external resources ICD 10 H46 ICD 9 377.33 …   Wikipedia

• oculocutaneous albinism — (OCA) albinism characterized by partial or total absence of melanin from the melanocytes of the skin, hair, and eyes, with additional ocular defects including hypoplastic fovea, photophobia, nystagmus, and decreased visual acuity. There are a… …   Medical dictionary