<Li> Having the subject look away from the camera lens . </Li> <Li> Increase the lighting in the room so that the subject's pupils are more constricted . </Li> <P> If direct flash must be used, a good rule of thumb is to separate the flash from the lens by 1 / 20 of the distance of the camera to the subject . For example, if the subject is 2 meters (6 feet) away, the flash head should be at least 10 cm (4 inches) away from the lens . </P> <P> Professional photographers prefer to use ambient light or indirect flash, as the red - eye reduction system does not always prevent red eyes--for example, if people look away during the pre-flash . In addition, people do not look natural with small pupils, and direct lighting from close to the camera lens is considered to produce unflattering photographs . </P>

How to make your eyes red in photos