What It Is
Ectropion is a condition in which the eyelid, most commonly the lower eyelid, turns outward away from the eye, rather than resting against it normally.
How It Develops
Ectropion most commonly develops due to age-related weakening and loss of elasticity in the muscles and tissue supporting the eyelid, which allows it to gradually sag and turn outward over time. It can also result from scarring following an injury, certain skin conditions affecting the eyelid, or damage to the nerve that controls eyelid muscle function.
General Symptoms
Common symptoms of ectropion include excessive tearing, since the outward-turned eyelid can no longer properly direct tears toward the normal drainage channel, along with eye dryness, irritation, and redness, given that the outward-turned lid leaves the eye's surface less protected than normal.
General Treatment Approaches
Mild ectropion is sometimes managed with lubricating eye drops or ointment to protect the exposed eye surface. For more significant ectropion, particularly when it's causing persistent irritation or affecting vision, surgical correction to tighten and reposition the eyelid is the standard treatment, generally with a good outcome.
Background
Ectropion has been recognized and described as a distinct eyelid condition since early ophthalmology developed as a specialty, given how visibly it affects the position of the eyelid. Surgical techniques for correcting ectropion have been refined considerably over the 20th century, with modern approaches generally offering a reliable, lasting correction for most cases of the condition.