The optometrist hasn't said anything so I guess my retinas are ok but I will ask specifically next time.
The time you seriously have to worry about your retinas is if you begin to notice a "dark curtain" beginning at the bottom of your vision -- this means the top portion of your retina is beginning to detach and it usually starts with flashes of light. (although the vitreous humour also causes flashes when it detaches and this happens to everyone ~40 years of age)
My father's retinas began to detach and he was able to get it corrected, but it had to be done within 24 hours or else he would have had irreversible vision loss. It is remedied by simple laser sugery used to tack it back onto the back of the eye. The one funny moment in the whole thing was when the doctor was preparing a needle with a solution to numb the process. When my father eyed the needle and asked where the doctor was going to stick it, the answer was "where do you think?"
So dad went through the entire ordeal without pain killers. I could hear him venting his frustration in the form of cursing after each laser pop from all the way down the hall.
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