Palpebral fissure
Front of left eye with eyelids separated to show medial canthus. (Palpebral fissure, visible but not labeled, is artificially widened.)
Latin	rima palpebrarum
Gray's	subject #227 1025

Palpebral fissure is the anatomic name for the separation between the upper and lower eyelids. In the adult this measures about 10mm vertically and 30 mm horizontally.

It can be reduced in horizontal size by fetal alcohol syndrome.^[1] In Trisomy 9 the palpebral fissures can be upslanting.^[2]

[edit] See also

• Blepharophimosis

[edit] References

[edit] External links

• http://www.utoronto.ca/neuronotes/NeuroExam/cranial_7b.htm

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v • d • e Head and neck anatomy – accessory organs of the eye / adnexa (TA 15.2.7, GA 10.1021) Eyelid Palpebral fissure/Canthus • Eyelash • Tarsus • Medial palpebral ligament • Epicanthic fold • Meibomian gland • Ciliary glands Lacrimal apparatus Lacrimal lake • Lacrimal gland • Lacrimal canaliculi • Lacrimal punctum • Lacrimal papilla • Nasolacrimal duct • Lacrimal sac • Lacrimal caruncle • Krause's glands Other Periorbita • Orbital septum • Tenon's capsule • Suspensory ligament of eyeball Eyebrow Conjunctiva (Plica semilunaris) Extraocular muscles (Trochlea of superior oblique) eye navs: anat/adnexa anat/pathways/physio/dev, noncongen/congen/neoplasia, eponymous signs, proc