Retinal Index Calculator

Retinal Index Calculator calculator can be used to assess the overall health of the retina by combining multiple parameters.

Input Parameters

Calculation Results

Calculation Formula

Retinal Index = (Age / 10) - (VFMMD * 0.5) + (VA * 2)

Where:
Age: Age of the patient in years
VFMMD: Visual Field Mean Deviation in dB
VA: Visual Acuity in logMAR

Retinal Index Calculator Calculator Usage Guide

Learn how to use the Retinal Index Calculator calculator and its working principles

How to Use the Calculator

  1. Enter the patient's age in years.
  2. Enter the Visual Field Mean Deviation (VFMMD) in dB.
  3. Enter the Visual Acuity (VA) in logMAR.
  4. Click the "Calculate" button to compute the Retinal Index.
  5. The Retinal Index value will be displayed in the result field.

Understanding the Formula

The Retinal Index is calculated using the formula:

Retinal Index = (Age / 10) - (VFMMD * 0.5) + (VA * 2)

This formula combines age, visual field mean deviation, and visual acuity to provide a single index value that can be used to assess the overall health of the retina.

Interpreting the Results

A higher Retinal Index generally indicates better retinal health, while a lower index may suggest potential issues. The interpretation of the index should be done in conjunction with other clinical findings and by a qualified healthcare professional.