Hold it flat against your screen and drag the slider until the bar below matches exactly 2 cm.
Select the letter you see. Answer quickly — don't overthink.
Which direction is the gap opening?
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Working it out…
This takes a few seconds.
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Working it out…
This takes a few seconds.
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Working it out…
Pick a secret phrase to save today's results. Use the same phrase later to see how your eyes change over time. You don't need an account.
If you forget the phrase, your saved results can't be found again. That is on purpose.
Letters fade with each row. Read as far as you can.
Say when you can no longer clearly distinguish letters.
Can you read the letters in row 1?
Move screen slowly AWAY from your face until the pattern blurs.
All landmark distances, calibration values, and test answers. Anonymised. For validation studies only.
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Accurate results require optimal conditions. Review the checks below before proceeding.
OcuScan Pro is an educational screening tool — it is not a medical device and does not replace a professional eye examination by a qualified optometrist or ophthalmologist. Do not make clinical decisions based on these results.
By tapping I Agree & Continue you confirm that: you are 13 years or older (or have parental consent); camera access is used solely for real-time distance measurement and no video is recorded or stored; and you consent to anonymised screening scores being processed to generate your report, retained up to 2 years under India's DPDP Act 2023 and GDPR principles. Request deletion any time at ocuscan1@gmail.com.
OcuScan Pro · Surya Productions · Liability is disclaimed for any indirect, incidental, or consequential harm arising from use of this screening tool.
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