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Vision Record Converter

Health & Body

5-point record, decimal, logMAR and Snellen

Quick Answer

Vision Record Converter: 5-point record, decimal, logMAR and Snellen. Vision Record Converter uses standard health formulas to compute accurate results instantly.

Input (5-point record)

logMAR0.50(lower is better)
Decimal acuity0.32
Snellen20/63US notation

Calculation steps

  1. 1logMAR = 5 - 4.5 = 0.50
  2. 2Decimal = 10^(4.5 - 5) = 0.32
  3. 3Snellen = 20 / 0.32 = 20/63
The 5-point record (GB 11533) maps L = 5 - logMAR; decimal acuity V = 10^(L-5). 5.0 means 1.0 (20/20 normal); values above 5.0 are better than normal. Snellen rounds to integer denominator. Clinical records may differ slightly between devices.

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How to Use

  1. Enter body metrics: fill height, weight, age etc. as prompted by the Vision Record Converter.
  2. Read value and grade: results appear instantly with an authority-based classification.
  3. Check reference tables: confirm your range and healthy targets against the tables on this page.
  4. Back-solve your goal: adjust inputs to see what it takes to reach a target.

Key Points

  • Vision Record Converter is a free online health tool — open and use, no sign-up.
  • All calculations run locally in your browser; your data never leaves the device.
  • Key capability: 5-point record, decimal, logMAR and Snellen.
  • Results come with formulas and reference tables so you can verify every number.

Formula & How It Works

Vision Record Converter formula

Vision Record Converter uses standard health formulas to compute accurate results instantly.

FAQ

How do I use the Vision Record Converter?
Open the page and fill in the input fields — results update automatically. 5-point record, decimal, logMAR and Snellen.
Are the results accurate?
Results follow published international standards (WHO, ACE, IOM) and are for reference only.
Can this replace medical advice?
No. Always consult a qualified healthcare professional for health decisions.
Is it free? Do I need to sign up?
Completely free. No registration, login or download required.
Does it work on mobile?
Yes. The responsive design works on all devices.

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Source & Updates

Based on WHO, ACE, IOM and other published international standards. Last updated: 2025-07

Authoritative sources:

Last updated:

Formulas and content on this page are reviewed by the YiJianSuan team. For reference only — official sources prevail.

Maintained and periodically reviewed by the YiJianSuan editorial team — review process in ourEditorial Policy.

Cite this page: YiJianSuan. Vision Record Converter[EB/OL]. https://www.yijiansuan.com/en/c/health/vision-convert

Results provided by this tool are for reference only and do not constitute professional advice.