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CONVERSION TABLE FOR LOGMAR TO SNELLEN S EQUIVALENT LOGMAR SNELLEN EQUIVALENT 6/60 6/48 6/38 6/30 6/24 6/19 6/15 6/12 6/9. 5 6/7. 5 Nb Each line on the chart represents a change of 0. 1 log unit in the acuity level with each letter having a value of 0. 02 log unit. Therefore a patient reading correctly all letters on a specific line will score the full 0. 1 log unit. For every extra letter on subsequent lines the patient reads correctly the patient will score an extra -0. 5 6/7. 5 Nb Each line on the chart represents a change of 0. 1 log unit in the acuity level with each letter having a value of 0. 02 log unit. Therefore a patient reading correctly all letters on a specific line will score the full 0. 02 log unit. Therefore a patient reading correctly all letters on a specific line will score the full 0. 1 log unit. For every extra letter on subsequent lines the patient reads correctly the patient will score an extra -0. 5 6/7. 5 Nb Each line on the chart represents a change of 0. 1 l....

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How to fill out the Logmar To Snellen online

This guide provides clear instructions for filling out the Logmar To Snellen form online. By understanding each component, users can effectively navigate the process and obtain the necessary visual acuity conversions.

Follow the steps to complete the Logmar To Snellen form online.

  1. Use the ‘Get Form’ button to access the Logmar To Snellen form and open it in your preferred online editor.
  2. Review the conversion table on the form. Familiarize yourself with how each Logmar value corresponds to the Snellen equivalent, noting the values ranging from -0.3 to 1.0.
  3. Identify the Logmar score that you need to convert. Each line represents a specific Logmar value, so ensure you select the correct one based on your visual acuity assessment.
  4. Locate the corresponding Snellen equivalent for the chosen Logmar value in the table. Record this information in the relevant section of the form.
  5. If applicable, include any extra letters read correctly by the patient above the designated line. For each additional letter, note that it adds an extra -0.02 to the Logmar score.
  6. Once all fields are completed, review the form for accuracy. Make sure all information is correct before proceeding.
  7. Finally, save your changes, and you have the option to download, print, or share the completed form as required.

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Each letter has a score value of 0.02 log units. Since there are 5 letters per line, the total score for a line on the LogMAR chart represents a change of 0.1 log units. The formula used in calculating the score is: LogMAR VA = 0.1 + LogMAR value of the best line read – 0.02 X (number of optotypes read)

Conversion from Snellen to Logmar LogMARSnellen Equivalent0.86/380.76/300.66/240.56/198 more rows

If the patient cannot read the top letter of the logMAR chart, simply halve the viewing distance, carry out the measurement, and add 0.30 logMAR to the score.

Since there are 5 letters per line, the total score for a line on the LogMAR chart represents a change of 0.1 log units....Recording visual acuity using the LogMAR chart. FootMetreLogMAR20/256/7.50.1020/206/60.0020/166/4.8−0.1020/12.56/3.8−0.2010 more rows

If the patient cannot read the top letter of the logMAR chart, simply halve the viewing distance, carry out the measurement, and add 0.30 logMAR to the score.

LogMAR charts have a number of advantages over Snellen charts and have become the gold standard method for assessing visual acuity. The letter size is described in LogMAR units where LogMAR 0.00 is equivalent to 6/6 (20/20) and LogMAR 1.00 is equivalent to 6/60 (20/200).

In Snellen notation, 20/20 vision corresponds to logMAR = 0 and the MAR is equal to 1.0 arc minute. The MAR, in arc minutes, is equal to the inverse of the Snellen fraction. As acuity improves better than 20/20, the logMAR score will have an increasing negative sign value.

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Fill Logmar To Snellen

Visual Acuity Calculator. Enter a Snellen or logMAR value into the form below to convert. Conversion table between logMAR and Snellen visual acuity values in IRIS Registry. Calculate from Snellen to Logmar. Snellen-Logmar Calculator. Conversion between logMAR and Snellen Visual Acuity.

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© Copyright 1997-2025
airSlate Legal Forms, Inc.
3720 Flowood Dr, Flowood, Mississippi 39232
Form Packages
Adoption
Bankruptcy
Contractors
Divorce
Home Sales
Employment
Identity Theft
Incorporation
Landlord Tenant
Living Trust
Name Change
Personal Planning
Small Business
Wills & Estates
Packages A-Z
Form Categories
Affidavits
Bankruptcy
Bill of Sale
Corporate - LLC
Divorce
Employment
Identity Theft
Internet Technology
Landlord Tenant
Living Wills
Name Change
Power of Attorney
Real Estate
Small Estates
Wills
All Forms
Forms A-Z
Form Library
Customer Service
Terms of Service
Privacy Notice
Legal Hub
Content Takedown Policy
Bug Bounty Program
About Us
Blog
Affiliates
Contact Us
Delete My Account
Site Map
Industries
Forms in Spanish
Localized Forms
State-specific Forms
Forms Kit
Legal Guides
Real Estate Handbook
All Guides
Prepared for You
Notarize
Incorporation services
Our Customers
For Consumers
For Small Business
For Attorneys
Our Sites
US Legal Forms
USLegal
FormsPass
pdfFiller
signNow
airSlate WorkFlow
DocHub
Instapage
Social Media
Call us now toll free:
+1 833 426 79 33
As seen in:
  • USA Today logo picture
  • CBC News logo picture
  • LA Times logo picture
  • The Washington Post logo picture
  • AP logo picture
  • Forbes logo picture
© Copyright 1997-2025
airSlate Legal Forms, Inc.
3720 Flowood Dr, Flowood, Mississippi 39232