Over the years, the scope of optometry has changed, consistent with the need to provide for the aging population and the healthcare system. Ontario Optometrists can prescribe for eye medications for infections, inflammations, allergies and glaucoma control. But we still have not skip out on checking the retina and the optic nerve. The retina provides essential functioning of capturing light energy and transfer them into electrical energy, sending through the optic nerve fibres to the visual cortex, at the back of the brain.
All these would not have happened if there is no blood vessels providing oxygen through the vascular flow to support it. Here is the venous pulsations at the optic nerve head, where the magic happens in your eye.
Dr. Yan L. Liang, OD
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