able to accept or tolerate delays, problems, or suffering without becoming annoyed or anxious. person receiving or registered to receive medical treatment.

Transparent lubricating mucous membrane that covers the eyeball and the under surface of the eyelid.

liquid medication applied in small amounts to eyeball. Drop from an eye dropper.

Damage to the nerves in the eye causing blindness.

action or process of draining something.

make something simpler or easier to do or understand.

return to normal state of health or strength.

Only at certain times; occasionally.

continuing or valid to final destination. From the beginning of something until the end. By a particular way or process; by the use of.

continuous physical force exerted on object. attempt to persuade or coerce.

established way of doing something. Usual or standard steps taken to do some things.

loop of thread or yarn resulting from single pass or movement of needle in sewing. Pieces of thread sewn in cloth. make, mend, or join something with stitches.

Not made by humans; without human intervention. naturally. person having innate talent.

Used before you explain something simply, clearly.

Being complicated. To have or be included as a part of something.