| CBBM | color blindness, blue mono-cone-monochromatic type |
|---|---|
| CRB | chemical, radiological, and biological; congenital retinal blindness |
| CSNB | congenital stationary night blindness |
| IAPB | International Association for Prevention of Blindness |
| LCB | Laboratory of Cancer Biology; Leber congenital blindness; left costal border; lymphomatosis cutis be... |
| CSNB | Congenital stationary night blindness |
|---|---|
| RB | Repetition blindness |
| letter blindness | Visual agnosia for letters. The subject sees the letters but cannot identify them; caused by a lesion in the occipital cortex. (05 Mar 2000) |
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| sea letter | The customary certificate of national character which neutral merchant vessels are bound to carry in time of war; a passport for a vessel and cargo. Source: Websters Dictionary (01 Mar 1998) |
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| test letter | See: test types. (05 Mar 2000) |
| letter | Written or printed communication between individuals or between persons and representatives of corporate bodies. The correspondence may be personal or professional. In medical and other scientific publications the letter is usually from one or more authors to the editor of the journal or book publishing the item being commented upon or discussed. Letter as a publication type is often accompanied by comment. (12 Dec 1998) |
| blindness | The inability to see or the loss or absence of perception of visual stimuli. This condition may be the result of disorders in the organs of sight or of damage or injury to certain areas of the brain. (12 Dec 1998) |
| blindness, cortical | Total loss of vision in all or part of the visual field due to a lesion in the striate area, characterised by the patient's subjective unawareness of his disability and the absence of cortical functions of vision, with the subcortical functions intact. (12 Dec 1998) |
| canine hereditary blindness | An autosomal dominant condition seen in dogs of the collie and several other breeds. (05 Mar 2000) |
| river blindness | Ocular complications, such as keratitis, iridocyclitis, or retrobulbar neuritis, caused by the microfilariae of Onchocerca volvulus. Synonym: river blindness. (05 Mar 2000) |
| mind blindness | Visual agnosia for objects. The subjet sees the object, but cannot identify it; due to a lesion in area 18 of the occipital cortex. Synonym: object blindness, psychanopsia, psychic blindness. (05 Mar 2000) |
| colour blindness | A sex-linked inherited condition where there is an inability to distinguish colours. Very few women are colour blind, but up to 10% of all men have some degree of colour blindness. The most common for is red-green colour blindness. The second most common is blue-yellow. Inheritance: sex-linked (X chromosome). (27 Sep 1997) |
| moon blindness | An acute iridocyclitis of horses, involving one or both eyes; it subsides only to recur at intervals of varying length and usually ends in blindness; the cause is uncertain but some have associated it with leptospires; does not appear to be contagious. Synonym: moon blindness. (05 Mar 2000) |
| word blindness | <neurology> Loss of the ability to understand printed words or sentences (27 Sep 1997) |
| music blindness | Loss of the ability to read music. (27 Sep 1997) |
| cortical blindness | Loss of sight due to an organic lesion in the visual cortex. (05 Mar 2000) |
| psychic blindness | Visual agnosia for objects. The subjet sees the object, but cannot identify it; due to a lesion in area 18 of the occipital cortex. Synonym: object blindness, psychanopsia, psychic blindness. (05 Mar 2000) |
| sight blindness | A form of aphasia in which the significance of signs and symbols is not appreciated. Synonym: sight blindness. Synonym: asemasia, asaemia. Origin: G. A-priv. + symbolon, an outward sign (05 Mar 2000) |
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