Only your right eye vision is decreased and by your information your visual acuity is 6/36 which is pretty myopic
Tablet gloeye is a bilberry extract which is known to improve night blindness
but have no solid evidence to prove its ability.
since Your decrease in vision is not at birth, you may have chance to restore your eyesight with proper opthalmologic treatment. Plenty of advanced treatment is available to correct vision.
Hope i was of help