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Photostress Recovery Test (PSRT) – Evaluates Macular Function
Photostress Recovery Test (PSRT) is a diagnostic procedure available at Desai Eye Hospital to assess macular function and retinal health. This test helps in detecting macular degeneration, diabetic maculopathy, and other retinal disorders by measuring how quickly the eye recovers vision after exposure to bright light. A delayed recovery time may indicate macular dysfunction, affecting clarity and adaptation to changing light conditions.
During the test, a bright light is shined into the patient’s eye for a few seconds to temporarily bleach the photoreceptors in the macula. The patient then reads a vision chart, and the time taken for vision to return to normal is recorded. A longer recovery time suggests potential macular impairment, which may require further evaluation.
The test is quick, non-invasive, and painless, making it a useful tool for detecting early macular problems. At Desai Eye Hospital, our specialists use PSRT to identify retinal conditions and guide personalized treatment strategies for optimal visual health.
How Does It Work?
- Assesses the macula’s ability to recover after bright light exposure.
- A strong light is directed into the eye for a few seconds.
- Patient reads a vision chart post-exposure to track recovery time.
- Delayed recovery may indicate macular dysfunction.
- Helps diagnose macular degeneration and diabetic maculopathy.
- Non-invasive, painless, and completed in a few minutes.
- Useful for assessing light adaptation and visual performance.
- Aids in early detection and management of retinal conditions.
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