Conjunctivochalasis (CCh) Overview. Conjunctivochalasis (CCh) represents one of the most common age-related eye diseases and is characterized by the presence of redundant folds of the conjunctiva that typically are detected between the eyeball and the eyelids.
Reciprocity of liking (also known as reciprocity of attraction and reciprocal liking) describes the tendency for individuals to think positively of others who express positive regard for them.
Reciprocity may refer to: 1  Reciprocity (Canadian politics), free trade with the United States of America Reciprocal trade agreement, entered into in order to reduce (or eliminate) tariffs, quotas and other trade restrictions on items traded between the signatories.