What Does an Ophthalmologist Do? Understanding Their Role in Eye Health

Our eyesight is one of our most valuable senses, yet many people don’t realize how important it is to see an ophthalmologists until they experience vision problems. Whether it’s blurry vision, eye infections, or serious conditions like cataracts and glaucoma, an Ophthalmologist plays a critical role in diagnosing, treating, and preventing eye diseases.
In South Africa, where access to eye care varies depending on location and resources, knowing when to see an ophthalmologist can make a significant difference in maintaining good health. This article explores what an ophthalmologist does, the conditions they treat, and how they help keep your vision clear and your eyes healthy.
The Role of an Ophthalmologist in Eye Care
An ophthalmologist is a medical doctor specializing in eye and vision care. Unlike optometrists, who primarily conduct vision tests and prescribe glasses or contact lenses, ophthalmologists are trained to diagnose and treat eye diseases, perform surgeries, and provide comprehensive eye care.
- Refractive errors: Nearsightedness, farsightedness, and astigmatism.
- Cataracts: Clouding of the eye’s lens, often requiring surgery.
- Glaucoma: Damage to the optic nerve, which can lead to blindness.
- Diabetic retinopathy: Eye complications related to diabetes.
- Macular degeneration: A leading cause of vision loss in older adults.
- Eye infections and injuries: Conditions requiring immediate medical attention.
When Should You See an Ophthalmologist?
Many people assume they only need an eye exam when they experience vision problems, but regular checkups can help detect eye diseases early—even before symptoms appear. Here are some key signs that indicate it’s time to see an ophthalmologist:
- Blurred or double vision
- Sudden vision loss or flashes of light
- Frequent headaches or eye strain
- Difficulty seeing at night
- Eye pain, redness, or swelling
- A family history of eye disease
In South Africa, adults over 40 should have an eye exam at least every two years, especially if they have a family history of conditions like glaucoma or macular degeneration. Diabetic patients should see an ophthalmologist annually to monitor for diabetic retinopathy.
Your eyes are one of your most important assets, and regular checkups with an ophthalmologist can help maintain good health and prevent serious vision problems. Whether you need glasses, treatment for an eye condition, or surgery, ophthalmologists are highly trained to provide expert care.
In South Africa, where access to medical specialists varies, knowing when and where to seek help can make all the difference. Don’t wait until your vision deteriorates—schedule an eye exam and take proactive steps to protect your sight.