Epicanthic folds and oblique palpebral fissures are common among Mongoloid individuals.
2.
The palpebral fissures appear narrow because of relatively deep set eyes.
3.
Marginal myotomy of levator palpebrae muscle can reduce the palpebral fissure height by 2 3 mm.
4.
In animal studies, using four times the therapeutic concentration of the ophthalmic solution Latanoprost, the size of the palpebral fissure can be increased.
5.
The chromosomal conditions trisomy 9 and trisomy 21 ( Down syndrome ) can cause the palpebral fissures to be upslanted, while Marfan syndrome can cause a downslant.
6.
"' Kaufman oculocerebrofacial syndrome "'is an autosomal recessive congenital disorder characterized by mental retardation, microbrachycephaly, long narrow face, upslanting palpebral fissures, mandible.
7.
Most affected people also experience eye problems, varying from colobomata of the lower eyelids and aplasia of lid lashes to short, down-slanting palpebral fissures, and missing eyelashes.
8.
The distinct facial feature include upslanting palpebral fissures, a broad nose with rounded tip, long philtrum with a thin upper lip, pointed chin and prominent ears ( Vasudevan 2005)
9.
Palpebral fissure length ( PFL ) is measured in millimeters with either calipers or a clear ruler and then compared to a PFL growth chart, also developed by the University of Washington.
10.
Another case study, a child from consanguineous patients, presented as significant hypotonia in infancy, poor feeding, and dysmorphic facial features, including narrowed, downslanting palpebral fissures, short convex nose with depressed nasal bridge, microphthalmia, cataracts, and adducted thumbs.
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