Topic Navigator

Noun Tree | Nouns Groups | Verb Groups | Search

Parent Categories

entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

abstraction, abstract entity go
a general concept formed by extracting common features from specific examples

attribute go
an abstraction belonging to or characteristic of an entity

state go
the way something is with respect to its main attributes

condition, status go
a state at a particular time

physical condition, physiological state, physiological condition go
the condition or state of the body or bodily functions

pathological state go
a physical condition that is caused by disease

ill health, unhealthiness, health problem go
a state in which you are unable to function normally and without pain

softness, unfitness go
poor physical condition

impairment, handicap, disability, disablement go
the condition of being unable to perform as a consequence of physical or mental unfitness

visual impairment, visual defect, vision defect, visual disorder
impairment of the sense of sight

noun.state

19 Subcategories

amaurosis go
partial or total loss of sight without pathology of the eye
amblyopia go
visual impairment without apparent organic pathology
ametropia go
(ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia
aniseikonia go
visual defect in which the shape and size of an ocular image differ in the two eyes
anorthopia go
distorted vision in which straight lines appear curved
aphakia go
absence of the natural lens of the eye (usually resulting from the removal of cataracts)
blindness, sightlessness, cecity go
the state of being blind or lacking sight
color blindness, colour blindness, color vision deficiency, colour vision deficiency go
genetic inability to distinguish differences in hue
diplopia, double vision go
visual impairment in which an object is seen as two objects
hemeralopia, day blindness go
inability to see clearly in bright light
hemianopia, hemianopsia go
blindness in one half of the visual field of one or both eyes
quadrantanopia go
blindness in one fourth of the visual field
metamorphopsia go
a defect of vision in which objects appear to be distorted
moon blindness, nyctalopia, night blindness go
inability to see clearly in dim light
photoretinitis go
damage to the retina resulting from exposure of the eye to the sun without adequate protection
retinal detachment, detachment of the retina, detached retina go
visual impairment resulting from the retina becoming separated from the choroid in the back of the eye
scotoma go
an isolated area of diminished vision within the visual field
tunnel vision go
visual impairment involving a loss of peripheral vision
xanthopsia go
visual defect in which objects appear to have a yellowish hue