He also
gives an instance of congenital paralysis of the levator
palpebrae muscles in a child whose vision was perfect and who was
otherwise perfect. Holmes also reports a case of enormous
congenital exophthalmos, in which the right eye protruded from
the orbit and was no longer covered by the cornea. Kinney has an
account of a child born without eyeballs. The delivery was
normal, and there was no history of any maternal impression; the
child was otherwise healthy and well formed.
Landes reports the case of an infant in which both eyes were
absent. There were six fingers on each hand and six toes on each
foot. The child lived a few weeks. In some instances of supposed
absence of the eyeball the eye is present but diminutive and in
the posterior portion of the orbit. There are instances of a
single orbit with no eyes and also a single orbit containing two
eyes. Again we may have two orbits with an absence of eyes but
the presence of the lacrimal glands, or the eyes may be present
or very imperfectly developed. Mackenzie mentions cases in which
the orbit was more or less completely wanting and a mass of
cellular tissue in each eye.
Cases of living cyclopia, or individuals with one eye in the
center of the forehead after the manner of the mythical Cyclops,
are quite rare.
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