Lid lag
AI overview
Lid lag is the static situation in which the upper eyelid is higher than normal with the globe in downgaze.
Key points
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Lid lag is a medical sign involving the human eyelid.
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Medical sign involving the human eyelid
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It is most often a sign of thyroid eye disease.
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It is most often a sign of thyroid eye disease
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It may also occur with cicatricial changes to the eyelid or congenital ptosis.
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may also occur with cicatricial changes to the eyelid or congenital ptosis
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Lid lag differs from Von Graefe's sign, which is a dynamic process.
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Lid lag differs from Von Graefe's sign in that the latter is a dynamic process
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It can be a manifestation of chemosis, which is swelling or edema of the conjunctiva.
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It can also be the manifestation of chemosis (swelling (or edema) of the conjunctiva)
Symptoms
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The upper eyelid is higher than normal with the globe in downgaze.
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the upper eyelid is higher than normal with the globe in downgaze
Red flags
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Lid lag may indicate thyroid eye disease.
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It is most often a sign of thyroid eye disease
AI-synthesized from the Wikipedia article “Lid lag”. Not medical advice.
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Lid lag is the static situation in which the upper eyelid is higher than normal with the globe in downgaze.[1] It is most often a sign of thyroid eye disease, but may also occur with cicatricial changes to the eyelid or congenital ptosis. Lid lag differs from Von Graefe's sign in that the latter is a dynamic process. It can also be the manifestation of chemosis (swelling (or edema) of the conjunctiva).