The table below lists fully habitable buildings, not observation towers. For statistics on CN Tower and other very tall structures, see our directory of TV, Radio & Observation Towers.
A detailed examination of the eye can reveal conditions such as high blood pressure or diabetes. Optometrists make a health assessment, offer clinical advice and when necessary prescribe spectacles or contact lenses. In addition, optometrists can dispense, fit and supply spectacles or contact lenses. They also supervise trainee optometrists and dispensing opticians, and medical students.
The health of your eyes should be your main concern. Choose an optometrist who is knowledgeable and experienced with contact lenses. It is recommended that all patients have a back-up pair of eyeglasses. Types of Contact Lenses. Many types of contact lenses are available. The type of contacts you use depends on your particular situation.