Cataracts in systemic diseases and syndromes.

Area of Science:

• Ophthalmology and Vision Science
• Epidemiology
• Basic Science Research

Background:

• Cataractogenesis research shows increasing harmony across diverse fields.
• Epidemiologic studies have identified and strengthened the role of risk factors such as age, tobacco smoking, alcohol consumption, and inhaled corticosteroids.
• Clinical observations in diseases like cystic fibrosis, atopic dermatitis, Alzheimer's disease, and mitochondrial cytopathy have generated new hypotheses for cataract formation.

Purpose of the Study:

• To synthesize recent advancements in cataractogenesis research.
• To highlight the interplay between epidemiological findings, clinical observations, and basic science investigations.
• To review updated surgical management strategies for cataract in complex ocular conditions.

Main Methods:

• Review of recent epidemiologic studies identifying cataract risk factors.
• Analysis of clinical observations linking systemic diseases to cataract development.
• Integration of basic science research findings, including genetic and biochemical mechanisms.

Main Results:

• Established and identified new risk factors for cataract development.
• Supported clinical hypotheses with basic science evidence, particularly regarding estrogens and protein condensation.
• Indicated a growing interest in genetic mechanisms alongside oxidative stress in cataractogenesis.
• Highlighted positive outcomes from previously contraindicated cataract surgeries in patients with advanced diabetic ocular disease and age-related macular degeneration.

Conclusions:

• A unified understanding of cataractogenesis is emerging from multidisciplinary research.
• Genetic factors are increasingly recognized as significant contributors to cataract formation.
• Surgical management of cataract in complex ocular disease settings is evolving positively.