heterochromia


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heterochromia

 [het″er-o-kro´me-ah]
diversity of color in a part normally of one color.
heterochromia i´ridis difference in color of the iris in the two eyes, or in different areas in the same iris.

het·er·o·chro·mi·a

(het'ĕr-ō-krō'mē-ă),
A difference in coloration in two structures that are normally alike in color.
[hetero- + G. chrōma, color]

het·er·o·chro·mi·a

(het'ĕr-ō-krō'mē-ă)
A difference in coloration in two structures that are normally alike in color.
[hetero- + G. chrōma, color]

heterochromia

Difference in colour of the two irides or of different parts of the same iris. It is usually congenital but some cases are associated with some eye diseases such as cataract, corneal precipitates, glaucoma, iridocyclitis, iris melanoma or as a result of siderosis. Syn. anisochromia. See Fuchs' syndrome; Horner's syndrome; Marfan's syndrome.
References in periodicals archive ?
Heterochromia of the eye can be complete or sectoral.
Median age Congenital Cocaine Number of at first onset test patients notice (months) (0-1 month result (follow-up) (range) of life) Total 35 (32) 3.0 (0-202) 11 Positive 12 (11) 1.25 (0-115) 6 Inconclusive 4 (4) 4.5 (3-181) 0 Negative 19 (17) 3.0 (0-202) 5 Median age Ptosis Possible Cocaine at presentation on ptosis Iris test (months) miotic on miotic heterochromia result (range) side side Total 8.0 (1-214) 4 4 2 Positive 5.5 (1-133) 1 1 1 Inconclusive 8.0 (6-183) 2 1 0 Negative 10.0 (2-214) 1 2 1 Cocaine Harlequin test sign result Total 1 Positive 1 Inconclusive 0 Negative 0 Table 2: History and clinical findings of patients with positive and inconclusive cocaine test results.
Forty-seven eyes (27.4%) exhibited heterochromia with varying degrees of iris depigmentation.
Benedict, pictured, recently announced he is due to become a father - the baby could well inherit his heterochromia.
Eye examination: left eye ptosis degree I-II; exophtalmometria: normal; intraocular pressure: right = 15mmHg; left = 14 mmHg; iris heterochromia; left eye: pinguecula.
During these troubled years Huestis researched the appearance of dozens of mutant characteristics from tremor to heterochromia (mixed black and red eyes).
Artist Lindsay Seers is on the lookout for people in the UAE with heterochromia iridum -- those with differently coloured irises, a condition often described as a beautiful mutation.
Horner's syndrome comprises ipsilateral partial ptosis, pupillary meiosis, apparent enophthalmos, facial anhidrosis, heterochromia of the irides (if before age two or congenital), and transient decrease in intraocular pressure.
"Astrid has a rare and wonderful trait called sectoral heterochromia, which means having more than one color per eye.
Latanaprost treatment of the heterochromia in a patient with acquired horner syndrome.
These include focal hypopigmentation of the retina (12,) lens opacities, posterior subcapsular cataracts (13) decrease in visual acuity, Horner's syndrome, heterochromia of the iris (14,) miosis and palpebral ptosis.