3. Closing one of your eyes to read or watch TV
If you have to close one of your eyes when doing any sort of leisure activity, to see better out of your “good” eye, then you may be suffering from lazy eye or you may have astigmatism. This could also indicate you are suffering with cataracts. Either of these can easily be inspected and diagnosed by an optical expert, allowing you to be treated and have your vision restored back to 20/20. Perhaps even with the use of glasses!