How Does Aging Affect the Retina and Increase the Risk of Macular Degeneration?

As we age, our eyes naturally undergo changes. One of the most significant age-related concerns is the effect on the retina, particularly the risk of developing age-related macular degeneration (AMD). The retina, a thin layer of tissue at the back of the eye, is essential for sharp central vision. But over time, it can deteriorate, leading to vision problems that may interfere with daily life.
 

The Retina and the Aging Eye

The retina is responsible for capturing light and converting it into signals the brain interprets as vision. With age, several changes can affect its function:

• Decreased blood flow to the retina can reduce nutrient and oxygen delivery.

• Thinning of retinal tissues, particularly in the macula (the central part of the retina responsible for detailed vision).

• Accumulation of waste deposits like drusen, which are yellow spots that can form under the retina and are early indicators of AMD.
   

These age-related changes can impair visual acuity and contrast sensitivity, making it harder to read, drive, or recognize faces.
 

Understanding Macular Degeneration

Macular degeneration is a progressive condition that affects the macula. There are two types:

• Dry AMD, the more common form, is caused by thinning of the macula and accumulation of drusen.

• Wet AMD, which is less common but more severe, occurs when abnormal blood vessels grow under the retina and leak fluid or blood.
   

Both types can significantly affect central vision, and while they rarely lead to total blindness, they can severely impact quality of life.
 

The Importance of Routine Senior Eye Exams

Detecting retinal changes early is critical to preserving vision, which is why routine eye exams for seniors are so essential. These exams allow eye care professionals to monitor the retina over time, identify early signs of macular degeneration, and recommend lifestyle or treatment adjustments to help slow the progression of the disease. Many older adults may not notice the subtle symptoms of age-related macular degeneration (AMD) until significant vision loss occurs. Regular eye exams provide an opportunity to catch these changes early - often before they begin to affect daily life.
 

The Role of Digital Retinal Imaging

At Vista Eyecare, we utilize advanced digital retinal imaging to capture detailed, high-resolution images of the retina. This innovative technology enables us to detect subtle retinal changes earlier than traditional methods, track the progression of retinal conditions more accurately, and maintain a visual record for future comparison. Digital retinal imaging significantly enhances our ability to diagnose and manage age-related eye diseases with greater precision, efficiency, and patient comfort.
 

Schedule Your Eye Exam at Vista Eyecare

Aging is a natural process, but with the right care, you can protect your vision for years to come. By understanding how aging affects the retina and prioritizing regular senior eye exams, especially with the support of digital retinal imaging, you’re taking proactive steps to guard against macular degeneration and preserve your independence.
 

We recommend exams at least every 2 years under 65 and yearly over 65. If you haven’t had an eye exam recently, contact Vista Eyecare to schedule your comprehensive eye exam and experience the difference advanced care can make. Visit our office in Saskatoon, Saskatchewan, call (306) 955-3811, or book an appointment here today.