Loss of useful sight. Blindness can be temporary or permanent. Damage to any portion of the eye, the optic nerve, or the area of the brain responsible for vision can lead to blindness. There are numerous (actually, innumerable) causes of blindness. The current politically correct terms for blindness include visually handicapped and visually challen [..]

See: Legal blindness.

Impaired vision in dim light and in the dark, due to impaired function of specific vision cells (namely, the rods) in the retina. The ability of our eyes to quickly view objects as they shift from light to dark areas and the ability to see in dim light or at night is an important part of our visual health. When we are not able to do such, the condi [..]

The inability to see anything

Old English blindnysse, blendes, from blind + -ness. Figurative sense was in Old English.

inability to see.

The inability to see light.

is extremely common in the East from many causes. Blind beggars figure repeatedly in the New Testament (Matthew 12:22) and "opening the eyes of the blind" is mentioned in prophecy as a pecul [..]

n. the inability to see or the condition of being sightless. Specifically, it refers to a partial to total impairment of the capacity to perceive any visual stimuli. Its most frequent causes include b [..]

1. The profound and neat total loss of all sight. It is classified by WHO as having less than 20/400 vision. 2. The absence of any usable vision except for perception of light. See cortical blindness- [..]

blindkeyt

  See Legal Blindness

Pursuant to 26 USCS § 63 (f) (4) [Title 26. Internal Revenue Code; Subtitle A. Income Taxes; Chapter 1. Normal Taxes and Surtaxes; Subchapter B. Computation of Taxable Income; Part I. Definition of Gr [..]

(n) the state of being blind or lacking sight

Loss of vision. Legally, visual acuity less than 20/200 with glasses.

n. ceguera

A medical condition of the eyes that involves a severe impairment in vision, not corrected by glasses.

The inability to see or the loss or absence of Perception of visual stimuli. This condition may be the result of Eye Diseases; Optic Nerve Diseases; Optic Chiasm Diseases; or Brain Diseases affecting [..]

A receptive visual Aphasia characterized by the loss of a previously possessed ability to comprehend the meaning or significance of handwritten words, despite intact Vision. This condition may be asso [..]

Total loss of Vision in all or part of the Visual Field due to bilateral Occipital Lobe (i.e., Visual Cortex) damage or dysfunction. Anton Syndrome is characterized by the psychic Denial of true, orga [..]

Failure or imperfection of Vision at night or in dim Light, with good Vision only on bright days. (Dorland, 27th ed)

Loss of the Power to comprehend written materials despite preservation of the ability to write (i.e., alexia without Agraphia). This condition is generally attributed to lesions that "disconnect& [..]

Filarial Infection of the eyes transmitted from Person to Person by bites of Onchocerca volvulus-infected Black Flies. The microfilariae of Onchocerca are thus deposited beneath the Skin. They migrate [..]

Transient complete or partial monocular Blindness due to Retinal Ischemia. This may be caused by emboli from the Carotid Artery (usually in Association with Carotid Stenosis) and other locations that [..]

A cognitive disorder characterized by an impaired ability to comprehend written and printed words or Phrases despite intact Vision. This condition may be developmental or acquired. Developmental dysle [..]

The inability to see or the loss or absence of perception of visual stimuli. This condition may be the result of EYE DISEASES; OPTIC NERVE DISEASES; OPTIC CHIASM diseases; or BRAIN DISEASES affecting [..]

Total loss of vision in all or part of the visual field due to bilateral OCCIPITAL LOBE (i.e., VISUAL CORTEX) damage or dysfunction. Anton syndrome is characterized by the psychic denial of true, orga [..]

To the average household dog, blindness presents few problems. Especially if vision loss is gradual (as it is with senile cataracts or with progressive genetic conditions), dogs learn to negotiate the [..]

Blindness means the permanent Loss of Sight of both eyes.

The limited vision/perspective of a player. Typically applies to games played under a fog of war. Can apply to 3D, 2D, and 1D games.

The condition of being blind; unable to see. (figuratively) Want of intellectual or moral discernment; mental darkness; ignorance, heedlessness. * '''1976''', Frank Herbert, ''Children of Dune'' [..]