Single Eyelash
Some people only have a single eyelash that is misdirected towards the eye instead of the normal direction (away from the eye). This can cause irritation and discomfort.
Do you have
Scratchy Lashes ???
You could have Ingrown Eyelashes
There are many forms of ingrown eyelashes
Multiple lashes
This is an example of several misdirected eyelashes growing towards the eye from the bottom lid.
Top and Bottom eyelashes scratching the eye
This person is getting multiple eyelashes from both the top and the bottom lid growing towards the eye.