**Core Concept**
The SAFE strategy is an acronym that stands for Surgery, Antibiotics, Facial cleanliness, and Environmental improvement. It is a comprehensive approach to control and prevent the spread of trachoma, a leading cause of preventable blindness worldwide.

**Why the Correct Answer is Right**
Trachoma is a chronic infection of the eye caused by Chlamydia trachomatis. The SAFE strategy is recommended for trachoma control because it addresses the multifactorial nature of the disease. Surgery is performed to correct trichiasis, the inward turning of eyelashes that can cause corneal damage. Antibiotics are administered to eliminate the infection. Facial cleanliness is promoted to reduce the transmission of the disease through personal contact. Environmental improvement, such as access to clean water and sanitation, is also crucial in reducing the prevalence of trachoma. The World Health Organization (WHO) and the World Bank have endorsed the SAFE strategy as a key component of trachoma control programs.

**Why Each Wrong Option is Incorrect**
* **Option A:** Glaucoma is a group of eye conditions that damage the optic nerve, often due to increased intraocular pressure. While glaucoma is a significant cause of blindness, the SAFE strategy is not recommended for its management.
* **Option B:** Cataract is a clouding of the lens in the eye that affects vision. Although cataract surgery is a common procedure, the SAFE strategy is not applicable to cataract management.
* **Option D:** Diabetic retinopathy is a complication of diabetes that affects the blood vessels in the retina. While diabetic retinopathy requires prompt treatment, the SAFE strategy is not recommended for its management.

**Clinical Pearl / High-Yield Fact**
The SAFE strategy is a prime example of a comprehensive, multi-faceted approach to controlling a disease. It highlights the importance of addressing the social determinants of health, such as access to clean water and sanitation, in preventing and controlling infectious diseases.

**✓ Correct Answer: C. Trachoma**