Concerning or capable of refraction.

Friendly feeling or relationship.

Method or route used for sending or getting things. To direct energy or feelings into something.

Partial covering of the eye making it hard to see.

manner in which someone behaves toward or deals with person or thing. Ways people act toward another.

gladly received. used to greet someone in polite or friendly way. instance or manner of greeting someone. To accept or receive something happily and gladly.

Working efficiently to produce a desired result.

Present and able to be used.

When one thing is replaced by another.

constituting part of larger whole. One of the parts that something is made up of.

Of the top layer; not deep or meaningful. outside part or uppermost layer of something. To come to the top of something; emerge.

not same as another or each other.

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

arrange to receive something regularly by paying in advance.

look at or observe attentively over period of time.