What are palpebral fissures?
The palpebral fissure is the area between the open eyelids. Although numerous variations exist in the positional relationship of the lid margins to the limbus, generally the upper lid just covers the superior limbus when one’s eyes are open and looking straight ahead.
What is the opening between the eyelids called?
The palpebral fissure is the elliptic space between the medial and lateral canthi of the two open eyelids….
| Palpebral fissure | |
|---|---|
| Front of left eye with eyelids separated to show medial canthus. (Palpebral fissure, visible but not labeled, is artificially widened.) | |
| Details | |
| Synonyms | interpalpebral fissure |
| Identifiers |
What is palpebral fold?
The palpebral are the upper and lower eyelids, which make up the shape of the eye. A line drawn from the inner corner to the outer corner determines the slant of the eye, or palpebral slant. Slanting and a fold of skin (epicanthal fold) are normal in people of Asian descent.
Is a deep reddish colored tongue nutrition?
A red (not dark pink) tongue could indicate as something as simple as a B vitamin deficiency, which can be remedied by supplementation. Scarlet fever, eczema, and Kawasaki disease may also cause your tongue to turn red.
What cranial nerve controls palpebral fissure?
Touching the medial canthus of the palpebral fissure stimulates the ophthalmic branch of the trigeminal nerve which runs into the skull through the orbital fissure and once inside the brainstem triggers a motor response via the facial nerve.
What are the holes in the corner of your eyes?
Lacrimal duct obstruction The tiny hole at the inner corner of each eye leads to the lacrimal duct, which drains tears from your eye into your nose. When the duct becomes blocked, it can become inflamed or infected.
What is palpebral fissure length?
1 The palpebral fissure length (PFL) is the distance from the inner corner of the eye (endocanthion landmark) to the outer corner of the eye (exocanthion landmark). The right and left PFLs were measured in this study using the FAS Facial Photographic Analysis Software.
What is short palpebral fissures?
Short palpebral fissure lengths (PFL) are one of three facial features that define the unique facial phenotype of fetal alcohol syndrome (FAS). Published PFL growth charts vary greatly in both rate and magnitude of growth, placing their accuracy and validity in question.
What is Epicanthal folds?
An epicanthal fold is a skin fold of the upper eyelid covering the inner corner of the eye. It is often seen as a normal finding in very young children and is also common in people of Asiatic decent. An epicanthal fold can be an important diagnostic finding in conditions such as Down syndrome.
Why is my tongue white?
White tongue is often related to oral hygiene. Your tongue can turn white when the tiny bumps (papillae) that line it swell up and become inflamed. Bacteria, fungi, dirt, food, and dead cells can all get trapped between the enlarged papillae. This collected debris is what turns your tongue white.