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.
An optician uses specialist apparatus to fit clients with the correct vision aids. In the case of spectacles they must be fitted to the head of the patient in accordance with the eye-line. Contact lenses meanwhile, have to be fitted to the patient's eyeball, which requires the use of a keratometer.