IOS development and design

Angel García Rubio



AGRdeveloper@gmail.com

 

 

Vision test Pro
 
 
This App is designed to be used in vision care clinics and optical stores. It contains a number of interactive  near vision test, very easy to use for practitiones and patients as well.
 
In just one app you will find the most often used visual test what allowes the practitioner to save time.
 
 

Reading test
Reading for childrens
Contrast sensitivity

Emoji test
LEA
Snellen E test

Landot C test
Ishihara
Amsler grid
     

Astigmatism
Sample images		  

 

 

The test

The tests are organized as if they were pages of a book. Just slide your finger from right to left to pass the next test, or from left to right to
return to previous.
 
 
You can also go to a desired test by tapping “go to” in the left bottom corner and a list of all the tests will be displayed, just tap on the one you want.
 

 

Page block

In the bottom left corner of the screen there is a padlockthat indicates whether the page is bolocked.The lock can be open or closed.

Make sure the page is blocked when you show a test to the patient, otherwise he may unintentionally change to another test if he touches the screen. 

The Amsler Grid test page needs to be block for the patient to draw on the grid.
 

Customization

The homepage of the app may be changed adding  the name or logo of the clinic or store.

The texts used in the reading tests for adults and children may be edited and personalized.

And the size of all the visual acuity test is suitable to be modified.

In the top-right corner there is a button that activates the “edition mode”

In this edition mode you can:

  • Set the logo for the homepage using an image from the camera roll
  • Set the name of your clinic or store
  • Change the texts of the reading tests
  • Change the size of letters and symbols of all the visual acuity tests (reading, LEA, Snellen E, Landot C, Emoji symbols).
  • Adjust the contrast at the contrast sensitivity test.

 

More Settings

There is additional settings in the Settings menu of your iPad 

Here you can:

  • Change the size of letters and symbols of all the visual acuity tests (reading, LEA, Snellen E, Landot C, Emoji symbols).
  • Adjust the contrast at the contrast sensitivity test.
  • Set the number of lines
  • In the Amsler Grid you can choose the numbers of squares, and the color of the lines (black lines on withe background or white lines on black background).
  • In the astigmatism test you may choose the number and appearance of the lines.
 

Tests

 

1 - Reading test

 

This test will show different literary texts with decreasing font size calibrated to measure near visual acuity.

 
 
Feet visual acuity
20/200 0.10
20/160 0.12
20/125 0.16
20/100 0.20
20/80 0.25
20/63 0.32
20/50 0.40
20/40 0.50
20/32 0.62
20/25 0.80
20/20 1.00

 

You can change the text switching on the Edit button in the homepage.

When the app is on edit mode shows a blue icon in the text windows. Tap on the icon to type your own text .

 

 
 

2 - Reading test for childrens

 

Same settings and edition as in the adult reading test may be done for the children reading test.

 
 

3 - Contrast Sensitivity test

 

With this test you can measure the patient’s ability to discriminate letters written with four of the most common types of font presented in decreasing size and contrast.

In edition mode you can adjust the contrast.
 
 

4 - Emoji

 
This near vision acuity test uses emoji symbols. You can choose from three sets of symbols (iPad settings).
 
 
 
 

5 - LEA test

 

In edit mode you can calibrate the size of the optotypes moving the adjustment knob on the top bar.

 

6 - Snellen E test

 

In edit mode you can calibrate the size of the optotypes moving the adjustment knob on the top bar.

 

 

7 - Landolt C test

In edit mode you can calibrate the size of the optotypes moving the adjustment knob on the top bar.

 

8 - Ishihara test

Classic test for color blindness screening

 

9 - Amsler grid

 

In this test the patient may draw on the screen the area of the grid that is different or has variations.


 

Once the test is completed for one eye the grid may be printed or emailed, which allows the practitioner to make comparative follow up. Then Proceed with the other eye.


 

Before you hand the iPad to the patient make sure the screen is lockedby tapping on the padlock on the bottom left corner.

 

In the Ipad Settings you can select the number of squares forming the grid and the color of the lines and the background, choosing between black and white.

 

10 - Astigmatism test

 

In the Ipad Settings you can select the number of lines and if these lines are simple or triple.

 

10 - Sample images

 

Here you can select the picture you want to show your patient. This is useful for the patient to verify how well they can see usual images in their daily activities. For example, maps, music sheet, whatsApp screen captures, medicines prospectus, news paper sheet, etc…