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Version
1.0
Size
1.55 Mb
Updated
8 years ago
Released
21 May 2014
Screenshots
Description
This app is a very simple tool converting between ETDRS letter count and decimal (Snellen fractions) visual acuity (both ways).
Those of you who deal with visual acuity results given in ETDRS letter count and in decimals on regular basis will certainly fluently convert between those two systems on the go. But if you as ophthalmic care professional only occasionally handle with results of visual tests taken with ETDRS charts, then may benefit from having the opportunity to quickly convert from one to another by just tapping the result on your iPhone or iPad. No settings no hassle, just open the app input the value and tap ”Calculate” button to see the result. Simplicity and ease of use make this app useful for your everyday tasks.
There is also a possibility to convert into LogMAR if needed.
For details on how the conversion is being calculated go to www.dev.janiec.info/dev/main.html
Estimates
Availability
Devices
iPhone3GS
iPhone4
iPodTouchFourthGen
iPad2Wifi
iPad23G
iPhone4S
iPadThirdGen
iPadThirdGen4G
iPhone5
iPodTouchFifthGen
iPadFourthGen
iPadFourthGen4G
iPadMini
iPadMini4G
iPhone5c
iPhone5s
iPadAir
iPadAirCellular
iPadMiniRetina
iPadMiniRetinaCellular
iPhone6
iPhone6Plus
iPadAir2
iPadAir2Cellular
iPadMini3
iPadMini3Cellular
iPodTouchSixthGen
iPhone6s
iPhone6sPlus
iPadMini4
iPadMini4Cellular
iPadPro
iPadProCellular
iPadPro97
iPadPro97Cellular
iPhoneSE
iPhone7
iPhone7Plus
iPad611
iPad612
Pricing by country
| Country | Price |
|---|---|
| Canada | 5.49 CAD |
| China | 25 CNY |
| France | 4.49 EUR |
| Germany | 4.49 EUR |
| Italy | 4.49 EUR |
| Netherlands | 4.49 EUR |
| Portugal | 4.49 EUR |
| Spain | 4.49 EUR |
| Poland | 4.49 EUR |
| UK | 3.99 GBP |
| India | 300 INR |
| Japan | 480 JPY |
| Poland | 18.99 PLN |
| Russia | 299 RUB |
| Turkey | 13.99 TRY |
| USA | 3.99 USD |
| Korea, Republic Of | 4.39 USD |
| Ukraine | 3.99 USD |
