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Home > West Medicine > ENT & Ophthalmology > Ophthalmology
H26.301

Toxic Cataract

眼科

Common symptoms

视力障碍、晶状体膨胀增大、晶状体混浊、眼裂歪斜、青光眼斑、晶状体皱缩

The pathology of disease

Toxic cataract is lens opacity induced by systemic or topical drugs/toxins, classically corticosteroids (posterior subcapsular), miotics, TNT/naphthalene, or radiation. Clinical: progressive blurred vision with characteristic lens opacities after drug/toxin exposure. Treatment: stop the offending agent where possible; cataract extraction with IOL implantation if visual loss; monitor.

Common Symptoms

Progressive blurred vision; posterior subcapsular opacity; history of steroid/toxin exposure

Causes and Pathogenesis

Drugs/toxins (steroids/TNT/miotics) damage lens fibers, producing characteristic opacities.

Treatment

Stop offending agent; cataract extraction/IOL if visual loss; monitor

Preventive Measures

Limit steroid exposure; occupational protection.

Department to Visit

It is recommended to visit the Ophthalmology department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.