This could have to be continued for a quantity of months till every Eye sees equally well. Fortunately, it is often profitable in restoring good sight. Sometimes the patching must be continued intermittently until age nine. If the lazy eye is out of focus, eyeglasses may be required, in addition to patching the nice eye, to acquire one of the best sight. Eye muscle surgery consists of weakening or strengthening a quantity of of those muscle tissue in one or each eyes, depending on the type of strabismus. This process is done with the child asleep under basic anesthesia.