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An epicanthic fold or epicanthus [6] is a skin fold of the upper eyelid that covers the inner corner (medial canthus) of the eye. [3] However, variation occurs in the nature of this feature and the presence of "partial epicanthic folds" or "slight epicanthic folds" is noted in the relevant literature.
Treatment can include warm compresses to thin the secretions and eyelid scrubs with a commercial eyelid cleanser or baby shampoo, [17] [13] or emptying ("expression") of the gland by a professional. Lifitegrast and ciclosporin are topical medication commonly used to control the inflammation and improve the oil quality.
The upper eyelid crease is a common variation between people of White and East Asian ethnicities. [9] Westerners commonly perceive the East Asian upper eyelid as a "single eyelid". [9] However, East Asian eyelids are divided into three types – single, low, and double – based on the presence or position of the lid crease. [10]
The canthus (pl.: canthi, palpebral commissures) is either corner of the eye where the upper and lower eyelids meet. [1] More specifically, the inner and outer canthi are, respectively, the medial and lateral ends/angles of the palpebral fissure. The bicanthal plane is the transversal plane linking both canthi and defines the upper boundary of ...
The extraocular muscles, or extrinsic ocular muscles, are the seven extrinsic muscles of the eye in humans and other animals. [1] Six of the extraocular muscles, the four recti muscles, and the superior and inferior oblique muscles, control movement of the eye. The other muscle, the levator palpebrae superioris, controls eyelid elevation.
The term comes from the Latin word nictare, meaning "to blink". It is often called a third eyelid or haw, and may be referred to in scientific terminology as the plica semilunaris, membrana nictitans, or palpebra tertia. Unlike the upper and lower eyelids, the nictitating membrane moves horizontally across the eyeball.
Before delving into spiritual meanings of the right eye twitching, it's important to outweigh potential medical issues. Here are some medical interpretations of the right eye twitching: Bell's palsy
Chalazion* is a granuloma that forms in the eyelid due to blocked secretions from the meibomian gland. Inflammation of the eyelid may result. [64] Trichiasis in dogs is hair from the eyelid growing in the wrong direction and rubbing on the eye, causing irritation. It usually occurs at the lateral upper eyelid, especially in the English Cocker ...