Conjunctivochalasis is usually bilateral, involving most commonly the inferotemporal conjunctiva, that may cause disruption of the inferior tear meniscus. It may present as loose superior conjunctiva, although it is less common.
The core idea seems clear enough. To say of something that it is socially constructed is to emphasize its dependence on contingent aspects of our social selves. It is to say: This thing could not have existed had we not built it; and we need not have built it at all, at least not in its present form.
3 n-uncount The construction of something such as a system is the creation of it. with poss (=creation) ...the construction of a just system of criminal justice. 4 n-count You can refer to an object that has been built or made as a construction. usu supp N (=structure) The British pavilion is an impressive steel and glass construction the size of Westminster Abbey. 5 n-uncount You use construction to refer to the structure of something and the way it has been built or made. usu with supp. The Shakers believed that furniture should be plain, simple, useful, practical and of sound construction..., The chairs were light in construction yet extremely strong.