Pls consult an ophthalmologist to ascertain what is the cause of this 6/9 vision in the first place. A refraction and a comprensive examination of the anterior and posterior segment must be done. This is to ascertain whether it is just a refractive error ,which can be treated with glasses, or something more serious.
Answered2017-10-18 06:24:08
Let others know if this answer was helpful