Pupillary Distance Meter | PD

Works OK, not great. Had to use manual mode also Kudos for the improvements over 1.0! I give this applet 4 stars, It is a challenge to use the cross-hairs, and I have to move the camera quite far from my face to get a good image. Even when I got a good image, with the credit card in the green area and my eyes in the box, it still would not automatically find the image. Also, my front camera is lower resolution than the rear camera. This made the small image of myself very difficult to find my pupils. What I ended up doing is ignoring the window areas (too small anyway) and made my face and card fill the screen, then I used the manual mode and was able to get close. Also, it seems that portrait (long screen horizontal) is a better mode for taking picture of faces. Not sure why they don't allow orientation flip... I am able to get ± 3 mm consistency. I'm not sure this is good or bad as I don't have much experience with glasses and PD requirements... I did, however, order some specs on-line from these measurements. I did notice that the website for the glasses has option for dual PD measurements, but this software will not measure that. Kurt

First I will say that I do infact have access to an optometrist grade pupilometer, and so I have something to compare this to, and it was extremely accurate when measuring the rest of my family, however got mine quite a bit off which I will now explain what I believe to have hade the difference. The difference is truly in getting the correct alignment of the card and the position of the eyes. When attempting to measure my own PD I was using the front camera and looking at the phone trying to see and press the shutter button, and trying to align the card by feel, whereas when measuring my family members, I was able to see the card and eyes and get proper alignment, and also they were looking straight ahead instead of at the phone screen. Overall I would say the concept and accuracy of the app are spot on with proper alignment, but looking straight ahead your eyes will be positioned slightly different for focus than if you are focused on the phone screen and the alignment and size of the reference card matters, for best results have someone give you a hand with card alignment and taking the picture, and you will get an accurate reading. I definitely agree that an app like this was worth it as most eye professionals will typically refuse to give you a reading unless you are ordering glasses directly from them, and even then they are hesitant to give you the numbers, hence the reason I spent the money getting my hands on a pupilometer on amazon in the first place.

Awful It was not done well. You match up the card with the green area then it doesn't match with your eyes. Your eyes centered don't match with the card. I was better saving my two dollars and sticking with the measurement I got from PD ruler. I found for free on internet. I just wanted to make sure I did properly because I ordered glasses.

Inconsistent and inaccurate I respect the idea and the work that was put into it, but it's way too inconsistent to be trusted. Never found my pupils and using manual mode was very difficult for me. It's easier and more accurate to just use a ruler and have someone measure the distance while you focus on an object.