| amblyopia | (noun) visual impairment without apparent organic pathology | - |
|---|
| ametropia | (noun) (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia | - |
|---|
| anisometropia | (noun) difference in the refractive power of the two eyes | - |
|---|
| anopia | (noun) sightlessness (especially because of a structural defect in or the absence of an eye) | - |
|---|
| anorthopia | (noun) distorted vision in which straight lines appear curved | - |
|---|
| asthenopia | (noun) a tiredness of the eyes caused by prolonged close work by a person with an uncorrected vision problem | Synonyms: eyestrain |
|---|
| cecropia | (noun) North American silkworm moth; larvae feed on the leaves of forest trees | Synonyms: cecropia moth, Hyalophora cecropia |
|---|
| cornucopia | (noun) the property of being extremely abundant | Synonyms: profuseness, profusion, richness |
|---|
| (noun) a goat's horn filled with grain and flowers and fruit symbolizing prosperity | Synonyms: horn of plenty |
| cyclopia | (noun) a developmental abnormality in which there is only one eye | - |
|---|
| deuteranopia | (noun) dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red | Synonyms: Daltonism, green-blindness |
|---|
| diplopia | (noun) visual impairment in which an object is seen as two objects | Synonyms: double vision |
|---|
| dystopia | (noun) a work of fiction describing an imaginary place where life is extremely bad because of deprivation or oppression or terror | - |
|---|
| (noun) state in which the conditions of life are extremely bad as from deprivation or oppression or terror | - |
| ectopia | (noun) abnormal position of a part or organ (especially at the time of birth) | - |
|---|
| emmetropia | (noun) (ophthalmology) the normal refractive condition of the eye in which there is clear focus of light on the retina | - |
|---|
| esotropia | (noun) strabismus in which one or both eyes turn inward toward the nose | Synonyms: convergent strabismus, cross-eye, crossed eye |
|---|
| exotropia | (noun) strabismus in which one or both eyes are directed outward | Synonyms: divergent strabismus, walleye |
|---|
| hemeralopia | (noun) inability to see clearly in bright light | Synonyms: day blindness |
|---|
| hemianopia | (noun) blindness in one half of the visual field of one or both eyes | Synonyms: hemianopsia |
|---|
| hypermetropia | (noun) abnormal condition in which vision for distant objects is better than for near objects | Synonyms: farsightedness, hypermetropy, hyperopia, longsightedness |
|---|
| hyperopia | (noun) abnormal condition in which vision for distant objects is better than for near objects | Synonyms: farsightedness, hypermetropia, hypermetropy, longsightedness |
|---|
| isometropia | (noun) equality of refractive power in the two eyes | - |
|---|
| myopia | (noun) (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred | Synonyms: nearsightedness, shortsightedness |
|---|
| nyctalopia | (noun) inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder | Synonyms: moon blindness, night blindness |
|---|
| oxyopia | (noun) unusually acute vision | - |
|---|
| pia | (noun) perennial herb of East Indies to Polynesia and Australia; cultivated for its large edible root yielding Otaheite arrowroot starch | Synonyms: Indian arrowroot, Tacca leontopetaloides, Tacca pinnatifida |
|---|
| presbyopia | (noun) a reduced ability to focus on near objects caused by loss of elasticity of the crystalline lens after age 45 | Synonyms: farsightedness |
|---|
| protanopia | (noun) dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue | Synonyms: red-blindness |
|---|
| quadrantanopia | (noun) blindness in one fourth of the visual field | - |
|---|
| sepia | (noun) a shade of brown with a tinge of red | Synonyms: burnt sienna, mahogany, reddish brown, Venetian red |
|---|
| (noun) rich brown pigment prepared from the ink of cuttlefishes | - |
| sinopia | (noun) a red ocher formerly used as a pigment | Synonyms: sinoper, sinopis |
|---|
| subtopia | (noun) monotonous urban sprawl of standardized buildings | - |
|---|
| tetartanopia | (noun) a form of dichromacy characterized by lowered sensitivity to yellow light; so rare that its existence has been questioned | Synonyms: yellow-blindness |
|---|
| tritanopia | (noun) rare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellow | Synonyms: blue-blindness |
|---|
| utopia | (noun) a work of fiction describing a utopia | - |
|---|
| (noun) ideally perfect state; especially in its social and political and moral aspects | - |