Macular Degeneration
Macular degeneration—often called age-related macular degeneration, or AMD—has become one of the leading causes of vision loss among adults over 50. At the center of the condition is the macula, a small but vital area near the middle of the retina responsible for sharp, detailed central vision. Damage to the macula can make everyday tasks—reading, driving, recognizing faces—progressively more difficult.
Two Forms, One Serious Threat
AMD appears in two primary forms: dry and wet.
Dry AMD, which is more common, progresses slowly as retinal cells break down over time.
Wet AMD, though less common, is far more aggressive. It occurs when abnormal blood vessels grow beneath the retina and leak fluid or blood, leading to rapid vision loss.
While AMD currently has no cure, treatment options have expanded in recent years. For wet AMD, injections that block abnormal blood vessel growth have become an effective way to slow or halt vision loss. For dry AMD, high-dose vitamin formulations known as AREDS supplements may help reduce progression in some patients. Supportive strategies—such as magnifying devices, improved lighting, and digital accessibility tools—are also helping patients maintain independence. Common symptoms of age-related macular degeneration (AMD) include: slight blurred or fuzzy central vision, difficulty seeing in low light or adjusting from bright to dim settings, need for brighter lighting when reading or doing close work, colours looking less vibrant than before.
As the condition progresses, people may experience a dark, blurry, or empty spot in the centre of vision, distorted vision (straight lines appearing wavy or bent), trouble recognising faces, reduced contrast sensitivity, making it harder to see small details, slower reading or trouble focusing on fine print.
Wet AMD Symptoms (can appear suddenly), rapid worsening of central vision, straight lines appearing crooked or warped, a dark or blank patch appearing quickly in your central sight. Because AMD often develops silently, experts urge those over 50 to schedule regular eye exams, even if they notice no immediate symptoms. “The earlier we diagnose, the better we can preserve functional vision,” many eye-care professionals stress. Risk factors such as smoking, family history, high blood pressure, and prolonged sun exposure can increase the likelihood of developing the disease. Lifestyle adjustments—including a nutrient-rich diet, regular exercise, and smoking cessation—may help lower risk. As populations age, optometrists and ophthalmologists warn that the number of affected individuals is rising, making awareness and early detection more important than ever. Healthcare professionals emphasize that only a comprehensive eye exam can properly identify the disease. Researchers continue exploring promising avenues, aiming to slow or reverse the disease’s progression. While these potential breakthroughs remain under study, public health officials remind readers that awareness remains the most powerful tool available today. As the population ages, macular degeneration will remain a significant public health challenge. But with earlier diagnosis, improved treatments, and increased public education, experts say many cases of vision loss can be slowed—offering hope to millions at risk. If you have an itch that you maybe experiencing some of these symptoms, or would like an updated eye exam or want to speak with a professional–please visit us at any Blur Eyecare stores located in Rotorua, Papamoa, Mount Maunganui or Tauranga. Give us a call on 07 578 1513 and follow the prompts to reach the desired store, or alternatively, book a full comprehensive eye exam online at www.blureyecare.co.nz.