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.
Yes, some (if not all) have an eye doctor on-site and will give examinations for glasses or contacts, which you can pick up right after they prescribe you. I switched from my original ophthalmologist to Costco's after going in because their prices were hard to beat and their service was quick and easy.