because of what we now all affectionately call apps. apps this, apps that. that s right. maybe you were unaware of this but now a smartphone app that might save you a trip to the eye doctor. dr. timothy johnson explains. reporter: if you hate going to the doctor, well, if it s an eye exam, you may not have to. because now there s an app for that. the smartphone app allows patients to administer different tests such as reading a digital eye chart or snapping high-resolution images of each eye. the results are sent to the patient s ophthalmologist via e-mail. the doctor is able to identify vision problems or to detect external diseases such as corneal ulcers. photos of the eye are so clear that detailed major external changes can be detected. in fact, some ophthalmology residents are already using the iphone to take clinical pictures. information gained could be