 [ Symptoms ] developed myopia over 4 months and i can not read a sign until i pass it weak prescription fixes completely though why  i had perfect vision for years until 4 months ago i realized i could not read the board a anymore then i noticed that i was also having trouble reading signs while driving it was just reading at first though i went to have an eye exam and i was told that i needed just a hint of correction it corrected my vision i now can only make out general shapes past 15 feet beyond that everything is a blurry mess my prescription still corrects it how is that possible if my vision got so much worse [ Disease ] it would not be possible to specifically address your question as to why your vision has deteriorated over the internet we do not know anything about you your medical history your age or have any way of examining you so you will need to see an eye care professional such as an ophthalmologist