# Optotype Size Calculator

> Calculate dimensions of optotypes for any visual acuity chart and any line size.

Canonical page: [https://chrome-stats.com/d/com.sharpsight.optotypesize](https://chrome-stats.com/d/com.sharpsight.optotypesize)

## Overview

- **ID:** `com.sharpsight.optotypesize`
- **Platform:** Android
- **Type:** Android app
- **Status:** Removed
- **Publisher:** Sharp Sight Software
- **Category:** MEDICAL
- **Downloads:** 190
- **Version:** 1.3
- **Last updated:** 2024-08-28
- **First published:** 2021-11-05
- **Size:** 6.52 MB
- **Data as of:** 2025-01-26
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.sharpsight.optotypesize)
- **Website:** [https://sharpsightsofts.blogspot.com/app-ads.txt](https://sharpsightsofts.blogspot.com/app-ads.txt)
- **Privacy policy:** [https://github.com/SharpSightSoftware/privacy/blob/main/PrivacyPolicy1.md](https://github.com/SharpSightSoftware/privacy/blob/main/PrivacyPolicy1.md)

## Description

This app allows you to calculate the exact dimensions of the visual acuity chart optotypes. It includes the most common chart notations and line sizes.<br>The following notations are included:<br>- US Feet (20/20|20/25|20/32|..etc)<br>- UK Metric (6/6|6/7.5|6/9.5|..etc)<br>- Decimal (1.0|0.8|0.63|..etc)<br>- LogMAR (0.0|0.1|0.2|..etc)<br><br>Just enter the chart distance, notation type, and line size, and get the optotype size corresponding to this criteria.

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.google.android.gms.permission.AD_ID`
- `com.sharpsight.optotypesize.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.sharpsight.optotypesize)