# Eye - Size

> Optical dispensing calculations for opticians and assistants. (iPhone/iPad app by BanjoSoft.)

- Source: https://appshunter.io/ios/app/eye-size/id511723539 (this page in markdown: same URL + `.md`)
- Developer: [BanjoSoft](https://appshunter.io/developer/498841687)
- Category: Medical, Utilities
- Price: $1.99
- Age rating: 4+
- Requires: iOS 17.2 · 3 MB
- Languages: American English
- Released: 2012-03-27
- Data updated: 2026-08-15
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/eye-size/id511723539/reviews.md

## What is Eye?

This Application is what all Optical Dispensing Opticians And Optical Dispensing Assistants have been waiting for. Dispensing Assistant  Eye - Size. gives you all the most important calculations you are likely to require in your day to day work. 
1. Calculate Lens thickness. 2. Calculate new lens power required with different Frame fitting (Vertex) distances. 3. Calculate how much Prism you are creating by changing Lens Decentration. 4. Calculate Lens Diameter required in a Frame for a given Patient PD. 5. Lens Power Transposition, From +/- and -/+ . This Application will save you a fortune in costly mistakes. a link to our Privacy Policy is here: https://www.banjosoft.co.uk/dispensing and can also be found within the App

## Key features

- Lens thickness calculation
- Lens power adjustment for vertex distance
- Prism calculation from decentration
- Lens diameter calculation
- Lens power transposition

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/eye-size/id511723539/reviews.md

### 1/5 — Not working

*2017-09-24*

Does not work with IOS 11

### 5/5 — Very useful!!

*2012-05-31*

I am an Optician and I love this app!  I use it on a daily basis while at work.  I highly recommend this app to anyone who works in an optical store or lab.

## Frequently asked questions about Eye

### What calculations does Eye - Size offer?

Eye - Size offers calculations for lens thickness, new lens power with different frame fitting distances, prism created by changing lens decentration, and lens diameter required in a frame for a given patient PD. It also includes lens power transposition.

### Is Eye - Size free to use?

No, Eye - Size is a paid application. It is available for purchase at $0.99.

### What devices is Eye - Size compatible with?

Eye - Size is currently supported on iPhone devices.

### How often is Eye - Size updated?

The latest version of Eye - Size is 2.104, and it was last updated on August 14, 2025. Updates are provided to ensure the app remains current and functional.

### What is the age rating for Eye - Size?

Eye - Size has an age rating of 4+, making it suitable for a wide range of users.

### Does Eye - Size have ads?

No, Eye - Size does not contain advertisements. Users can utilize its features without interruption.

### Where can I find the privacy policy for Eye - Size?

The privacy policy for Eye - Size can be found at https://www.banjosoft.co.uk/dispensing and is also accessible within the app itself.

### Who developed Eye - Size?

Eye - Size was developed by tom mitchell.

## Version history (last 5 releases)

### 2.202 — 2026-08-15

Fixed issue where lens thickness calculator could give inaccurate result occasionally.

### 2.104 — 2025-08-14

Minor bug fix.

### 2.103 — 2024-02-08

Textfields are now automatically populated by choosing the required readings. minor bug fix

### 2.001 — 2024-02-07

Updated User Interface. Updated to iOS 17 various bug fixes

### 1.01 — 2012-04-26

minor bug fix

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| [Kay iSight Test Professional](https://appshunter.io/ios/app/kay-isight-test-professional/id1144082577) | 4.4 (10) | Free | Medical |
| [Medication tracker & reminders](https://appshunter.io/ios/app/medication-tracker-and-reminders/id1464881979) | 4.7 (518) | Free | Medical |

## More apps by BanjoSoft

- [Eye Remote](https://appshunter.io/ios/app/eye-remote/id501721534)
- [GeoMe](https://appshunter.io/ios/app/geome/id6468128943)
- [Scanit PDF](https://appshunter.io/ios/app/scanit-pdf/id6475370936)
- [Aircraft Copilot](https://appshunter.io/ios/app/aircraft-copilot/id6476197442)
- [Clench](https://appshunter.io/ios/app/clench/id6752355553)

All apps by BanjoSoft: https://appshunter.io/developer/498841687

## Related topics

[free eye measure](https://appshunter.io/ios/topics/free-eye-measure)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*