Types of Entropion

Types of Entropion:


 Entropion (sometimes misspelled as "entropia") is a condition in which the eyelid — usually the lower lid — turns inward, causing the eyelashes and skin to rub against the eye surface. This can lead to irritation, pain, and damage to the cornea.

1. Involutional (Senile) Entropion







Cause: Age-related weakening of eyelid muscles and tissues.

Common in: Elderly people.

Features: Laxity of the eyelid, horizontal eyelid laxity, and overriding of preseptal orbicularis over pretarsal portion.


2. Congenital Entropion




Cause: Developmental defect present at birth.

Common in: Infants.

Features: Usually involves the lower eyelid. May resolve on its own or require surgery.


3. Cicatricial Entropion


Cause: Scarring of the conjunctiva or inner eyelid.

Examples: Trachoma, chemical burns, Stevens-Johnson syndrome.

Features: Scar pulls the eyelid inward.


4. Spastic Entropion




Cause: Blepharospasm (excessive eyelid muscle contraction) often due to irritation or inflammation.

Common in: Any age group.

Features: Temporary and may resolve if the underlying cause is treated.


5. Mechanical Entropion




Cause: Tumors or heavy lid causing inward turning.

Features: Less common. Due to mass effect or traction.


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