Onchocerciasis (River Blindness)

Ophthalmology

Overview

Definition

Parasitic infection affecting skin and eyes.

Epidemiology

Varies globally depending on genetics, environment, or exposure.

Etiology & Risk Factors

  • Onchocerca volvulus (transmitted by black flies).

Clinical Symptoms

  • Intense itching
  • subcutaneous nodules
  • progressive loss of vision.

Clinical Approach

Diagnosis

  • Skin snip biopsy (microfilariae).

Management

  • Ivermectin.

Complications

  • Blindness.