You have not given your age.
The constant noise in the ears can be due to the Meniere's disease. It is having relation with the increased fluid pressure in the tubes of middle ear. The flash in your peripheral vision
may be due to vitreous detachment
which may be followed by retinal detachment
In both the cases, you have to undergo thorough investigations and reach at definite diagnosis.
For the treatment, you are requested to get back to me with more details about YOU if you would like to have Homoeopathic method of cure.
With best wishes,
Dr. C. J. Varghese