1 The Bill is Referred to the Senate. 2  When a bill passes in the House, it must also pass in the Senate in order to become a law. 3  The two houses of Congress make up the bicameral legislature, part of a system of checks and balances that ensures that laws are created democratically. The Bill is Referred to the Senate. 2  When a bill passes in the House, it must also pass in the Senate in order to become a law. 3  The two houses of Congress make up the bicameral legislature, part of a system of checks and balances that ensures that laws are created democratically.
1 Aetna considers contact lenses for far vision (including cases of binocular and monocular aphakia) medically necessary, including both the contact lens(es) and spectacles for near vision that are worn either simultaneously with the contact lenses or when the contact lenses have been removed.
Find an Ophthalmologist. Mar. There are two general types of contact lenses: hard and soft. The hard lenses most commonly used today are rigid, gas-permeable lenses (RGP for short). They are made of plastics and other materials such as silicone or fluoropolymers. Hard lenses hold their shape, yet allow the free flow of oxygen through the lenses to the cornea.