The term optometry is derived from the Greek word ‘optos’ which means eye or vision and ‘metria’ which means measurement. Optics is a science, which deals with the structure, function and working of the human eye. Optometrists are health professionals who have specialised in eye care and they deal with eye testing and providing solutions to patients who suffer from partial sight, hereditary vision defects, squint, weakening of eye muscles etc. They suggest the use of proper vision aids such as spectacles or contact lenses. They also provide pre-operative and post-operative care to cataract patients. However, optometrists are not ophthalmologists, the latter being physicians trained to even undertake eye surgeries, when necessary. Sometimes optometrists discover eye conditions caused by systemic problems, such as diabetes or high blood pressure, and refer their patients to other medical doctors.
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