Lens subluxation

Lens subluxation refers to the partial dislocation or displacement of the natural lens in the eye. This condition can be either acquired or congenital, and is often associated with various ocular diseases and systemic disorders.

Causes

Lens subluxation can be caused by a variety of factors. It can be a result of trauma to the eye, or it can be associated with certain systemic diseases such as Marfan syndrome, Ehlers-Danlos syndrome, Homocystinuria, and Weill-Marchesani syndrome. In some cases, it can also be a congenital condition, meaning it is present from birth.

Symptoms

The symptoms of lens subluxation can vary depending on the severity of the condition. Some people may not experience any symptoms, while others may notice a decrease in visual acuity, double vision, glare, or monocular diplopia. In severe cases, lens subluxation can lead to retinal detachment or glaucoma.

Diagnosis

Diagnosis of lens subluxation is typically made through a comprehensive eye examination. This may include a slit lamp examination, dilated fundus examination, and gonioscopy. In some cases, additional imaging tests such as optical coherence tomography (OCT) or ultrasound biomicroscopy (UBM) may be used.

Treatment

Treatment for lens subluxation depends on the severity of the condition and the underlying cause. In mild cases, observation and regular follow-up may be sufficient. In more severe cases, surgical intervention may be necessary. This can include lens extraction, vitrectomy, or scleral fixation of an intraocular lens.

See also

• Lens (anatomy)
• Marfan syndrome
• Ehlers-Danlos syndrome
• Homocystinuria
• Weill-Marchesani syndrome
• Retinal detachment
• Glaucoma