Leber's hereditary optic atrophy Le·ber's hereditary optic atrophy (lā'bərz, -běrz)
n.
The degeneration of the optic nerve and papillomacular bundle with resulting rapid loss of central vision, occurring most often in males.
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a chattering or flighty, light-headed person. |
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