Is Summer Sun Accelerating Eye Disease? What Spokane Seniors Need to Know About UV Exposure

Summer in Spokane often means more time outdoors, from gardening and walking to boating and relaxing near the water. While sunlight supports an active lifestyle, repeated ultraviolet exposure can affect eye health over time. For older adults, protecting the eyes is especially important because aging already increases the risk of cataracts, macular degeneration, and other vision changes.

How UV Exposure Affects Aging Eyes

Ultraviolet radiation is invisible, but its effects can accumulate throughout a lifetime. UV rays can reach the eye’s surface and internal structures, including the cornea and lens. Years of unprotected exposure may contribute to changes that become more noticeable later in life.

The natural lens also becomes less flexible and more vulnerable with age. For Spokane seniors who spend extended periods outside, consistent UV protection can help reduce additional strain on aging eyes. Protection matters even on cloudy days because UV rays can still pass through cloud cover.

Eye Conditions Linked to Sun Exposure

UV exposure does not cause every eye disease, but it is associated with several conditions that can affect comfort and vision. These include:
 

• Cataracts, which cloud the eye’s natural lens and can cause blurry, hazy, or faded vision

• Photokeratitis, a painful sunburn-like injury to the cornea caused by intense UV exposure

• Pinguecula and pterygium, which are growths on the eye’s surface that may cause irritation or affect the cornea

• Eyelid damage, including premature skin changes and an increased risk of certain eyelid cancers

• A possible increased risk of age-related macular degeneration after years of unprotected exposure

Cataracts are one of the clearest concerns. Prolonged UV exposure can alter proteins in the lens, contributing to cloudiness. Research also suggests that long-term exposure without adequate protection may play a role in age-related macular degeneration, although aging, genetics, smoking, and overall health are also important risk factors.

Choosing Effective UV Protection

Dark lenses alone do not guarantee protection. Sunglasses should be labeled UV400 or state that they block 99 to 100 percent of UVA and UVB rays. Larger frames and wraparound styles can limit sunlight entering from the sides.

A wide-brimmed hat adds another layer of protection, especially during midday hours. Polarized lenses can reduce glare from roads, water, and other reflective surfaces, making outdoor activities more comfortable. However, polarization and UV protection are different features, so seniors should confirm that their lenses provide both when needed.

How Routine Eye Exams Help Protect Senior Vision

Sun protection is important, but it cannot replace comprehensive eye exams. Many eye diseases develop gradually and may not cause noticeable symptoms in their early stages. Regular eye exams allow us to evaluate the retina, optic nerve, lens, and other structures for changes that could threaten vision.

Seniors should schedule an exam promptly if they notice sudden vision loss, new flashes or floaters, distorted central vision, eye pain, or a rapid change in clarity. Early detection can help preserve vision and guide appropriate eye disease management.

Schedule a comprehensive eye exam with Valley Vision Center in Spokane Valley, WA by calling (509) 471-3130 to protect your sight through every season.