If you are doing a passport photo on your own, and you have red eyes on your picture, your application will be rejected by the authorities. If you have noticed, the governments around the world require that a photo should not have any red eyes.
You have several options:
Visafoto.com knows all the passport photo requirements for various countries and does everything automatically in seconds. Besides red eyes it also fixes background, head tilt, and image contrast, it crops the picture and correctly scales it, so the head size is correct.
So if you have your photo ready, you can convert it to a correct passport or visa photo right now at visafoto.com.