Presbyopia is the loss of close-up focusing. With age, the lens in the eye hardens and can't change its shape as easily. It then can't focus clearly on close objects. This makes them look blurry.
Favor de introducir tu clave. Si no tienes una clave y te gustaría navegar en este sitio sobre la salud, bienestar y educación del paciente, por favor contacta a un administrador del establecimiento.