Success depends on many factors. Without full assessment and trial it is difficult to say about chances of benefit for a person.
Durability of prescription :
If eye condition is stable, no need to change the devices again and again.
Disclaimer:
We cannot guarantee that the patients will gain normal vision or they will be cured of disease.
We try our best to assist our patients in optimum use of their residual vision .
Any Risks or side effects :
There is no adverse effect on vision or harm to eye due to testing or use of residual vision as such or with sight enhancement techniques / devices.