These lenses reduce glare from a surface like water, so theyâre great for sports and driving. But they can make it hard to see the liquid crystal display on your carâs dashboard. Your unique vision problem will determine the shape of your lens. Youâll need a concave lens (curves inward) if youâre nearsighted. A convex lens (curves outward) will help if youâre farsighted. If you have astigmatism, your cornea is shaped wrong, so your lenses may be more like a cylinder. Simply put, the lens is a tool you use to focus light onto your retina in the correct way.
Define allay: to subdue or reduce in intensity or severity : alleviate; to make quiet : calm; to diminish in strength : subside â allay in a sentence to subdue or reduce in intensity or severity : alleviate; to make quiet : calm; to diminish in strength : subsideâ¦
adjective dewy. healthy â possessing or enjoying good health or a sound and vigorous mentality: a healthy body; a healthy mind. filmy â thin and light; fine and gauzy: a gown of a filmy material. obscure â (of meaning) not clear or plain; ambiguous, vague, or uncertain: an obscure sentence in the contract.