Related Experiment Video
Updated: Jul 15, 2026
04:59
Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries
Published on: July 7, 2023
Preexisting posterior capsule defect progressing to white mature cataract
Abhay R Vasavada1, Mamidipudi R Praveen, Sheena A Dholakia
1Iladevi Cataract and IOL Research Centre, Raghudeep Eye Clinic, Memnagar, Ahmedabad, Gujarat, India. icirc@abhayvasavada.com <icirc@abhayvasavada.com>
Summary
Early intervention for pediatric cataracts is recommended, especially with posterior subcapsular changes and a fellow eye cataract. Prompt treatment can prevent vision loss from rapidly progressing cataracts.
Area of Science:
- Ophthalmology
- Pediatric Ophthalmology
- Genetics
Background:
- Congenital cataracts are a leading cause of preventable childhood blindness.
- Posterior subcapsular cataracts (PSCs) can progress rapidly, especially in children.
- Early detection and intervention are crucial for optimal visual outcomes.
Observation:
- Two children presented with unilateral total cataracts and contralateral posterior subcapsular cataracts.
- Sequential photography revealed rapid progression of PSCs, associated with a posterior capsule defect.
- The PSCs ultimately evolved into mature white cataracts.
Findings:
- A posterior capsule defect may predispose to rapid PSC progression.
- Subtle PSCs in one eye warrant close monitoring if the fellow eye has a total cataract.
- Rapid cataract progression can occur even with initially subtle posterior subcapsular changes.
Implications:
- Consider early surgical intervention for pediatric cataracts with PSCs and fellow eye involvement.
- Warn parents about potential cataract progression and the need for regular follow-up examinations.
- This case highlights the importance of vigilant monitoring in pediatric cataract management.
Related Concept Videos
01:25Glaucoma: Overview
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
01:22Photoreceptors and Visual Pathways
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category, whereas...
01:27Diabetic Retinopathy
DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...
01:28Angle Closure Glaucoma: Treatment
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...