Hi
Staying awake and using smart phone will not cause sudden loss of vision, though it may cause other issues.
Not sure , what you are calling as sudden loss of vision, what is the vision?
If it is uveitis, it will take time to improve.
If you feel that diagnosis is not correct or not satisfied with the treatment , you take opinion from another docotr.
Without seeing the report or the patient, it will be difficult to comment.
Answered2021-01-15 02:16:33
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