Optometry is a regulated primary healthcare profession. Optometrists are often the first professional to be consulted when an eye problem presents.<br><br>Optometrists check vision and prescribe and fit spectacles and contact lenses as needed. For children or adults with problems coordinating their eyes, optometrists carry out patching and other forms of vision therapy to help people develop and maintain binocular vision. Optometrists examine the eyes to detect diseases such as macular degeneration, glaucoma, and cataracts. Systemic diseases like diabetes or hypertension can also be detected during the eye examination.