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Retinal degeneration is a gradual breakdown of retinal tissue that can affect how the eye senses light. It can involve the photoreceptors, the retinal pigment layer, or supporting structures that keep the retina working normally. Some forms affect central vision, while other forms affect peripheral or night vision first. The cause varies and can be age-related, inherited, or linked to other eye disease.
read more about retinal degeneration ...Retinal degeneration can result from aging changes, inherited gene variants, or long-term stress on retinal tissue from other eye disease. Age-related macular degeneration affects the macula, while inherited retinal dystrophies such as retinitis pigmentosa often start with night vision problems. Peripheral degenerations, such as lattice degeneration, thin areas of the retina and can raise the chance of tears in some people. Smoking and vascular disease can raise risk for certain macular forms, especially when combined with age. A clinician review is needed to link the finding to a specific condition.
Symptoms depend on which part of the retina is affected and how fast changes develop. Central involvement can cause blurred reading vision, distortion of straight lines, or trouble recognizing faces. Peripheral involvement can cause reduced side vision, bumping into objects, or a tunnel-vision pattern. Night vision problems and slow dark adaptation can show up early in several degenerative conditions. Sudden flashes, a shower of new floaters, or a curtain-like shadow suggests a separate urgent retinal event and needs same-day care.
Diagnosis starts with a dilated retinal exam to look for thinning, pigment changes, drusen, or abnormal blood vessels. Optical coherence tomography shows layer-by-layer retinal structure and can document swelling, atrophy, or traction. Fundus photography helps track change over time, and visual field testing measures peripheral loss. In suspected inherited disease, electroretinography can assess how rods and cones respond to light. Genetic testing is used in selected cases to clarify type and support counseling.
Treatment depends on the specific diagnosis, since retinal degeneration is a broad term rather than one single condition. For some age-related and vascular forms, risk-factor control such as smoking cessation and management of blood pressure, lipids, and diabetes can slow further damage. When abnormal new vessels or leakage develop, retina care often uses injections that reduce vessel growth signaling and can use laser in selected patterns. Some peripheral degenerations are monitored, while high-risk lesions can be treated to lower tear risk based on clinician judgment. Low-vision rehabilitation and visual aids can also help daily function when vision loss is not reversible.
No. Macular degeneration is one type of retinal degeneration that mainly affects the macula, the center of the retina used for sharp detail vision. Retinal degeneration can also describe inherited disorders and peripheral degenerations that affect side vision or night vision first. An eye exam and imaging can clarify which condition is present.
Some peripheral degenerations can increase the risk of retinal tears, which can then lead to detachment if fluid spreads under the retina. Other degenerative conditions, such as age-related macular degeneration, do not directly cause detachment in most cases. New flashes, many new floaters, or a curtain-like shadow should be checked urgently.
Some forms are hereditary, especially inherited retinal dystrophies that affect rods and cones. Other forms are mainly age-related or linked to vascular disease and lifestyle factors. A family history review and, in selected cases, genetic testing can help clarify risk.
Retinal Diseases: Symptoms & Causes. Mayo Clinic. https://www.mayoclinic.org/diseases-conditions/retinal-diseases/symptoms-causes/syc-20355825. Date Accessed February 4, 2026.
Retinal Disorders. MedlinePlus. https://medlineplus.gov/retinaldisorders.html. Date Accessed February 4, 2026.
Peripheral Retinal Degenerations. EyeWiki. https://eyewiki.org/Peripheral_Retinal_Degenerations. Date Accessed February 4, 2026.
Lattice Degeneration. EyeWiki. https://eyewiki.org/Lattice_Degeneration. Date Accessed February 4, 2026.
What Is Lattice Degeneration?. American Academy of Ophthalmology. https://www.aao.org/eye-health/diseases/what-is-lattice-degeneration. Date Accessed February 4, 2026.