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Why earlier cataract was treated only when matured?
Recently intracapsular cataract extraction has been the only cataract treatment procedure. The procedure demanded crystalline lens extraction as a whole, therefore the lens had to be dens to be successfully removed altogether, so the cataract had to be mature. Moreover it would be extremely difficult to extract crystalline lenses at early cataract stages without assistance of modern microscopes as the lens is still rather transparent. Therefore patients had to live with dropping eyesight, sometimes up to almost a complete vision loss to wait for the necessary cataract maturity.
This was dangerous as well as progressing cataract may cause secondary glaucoma. This disease is very dangerous as it increases intra-ocular pressure possibly causing optic nerve atrophy and endangering vision ability ever.
Modern cataract surgery can manage the disease at any stage, so the treatment may be delivered imeately after the diagnosis is set.
Our grandmother was diagnosed with glaucoma. She uses eyedrops but her eyesight is still getting worse. Is there any way to help her?
Glaucoma is a serious irreversible disease. Increased intraocular pressure manifesting glaucoma disturbs optic nerve nutrition causing its atrophy. If the disease is not timely attended vision may be lost. Moreover even a timely start of treatment cannot bring back the lost vision, the pathology process can only be slowed down.
Usually they start glaucoma treatment with eye drops reducing intraocular pressure. Medication, dosage and application mode can be prescribed only by a doctor. Patients must strictly all doctor’s recommendations, irregular use of eyedrops and missing a dose are not allowed. Glaucoma patients should visit doctor at least once every half year undergoing examinations including intraocular pressure checks, field of vision measurements, fundus examinations, etc. If testing and examination results witness to the fact that intraocular pressure has not been stabilized, a surgery is suggested. EXCIMER Clinic doctors perform several glaucoma surgery types all aimed at eye fluid balance restoration and preventing further vision deterioration.
They say and write very often that young children should not watch TV. Please explain why?
Human eye is ideally designed to look at objects located at a distance, since this is a passive process, similar to sound perception. To look at objects nearby the child’s eye has to actuate an additional adaptive mechanism, the focusing apparatus. When young children spend long hours in front of TV their untrained eyes are subjected to excess strain, sending the distress signal to the brain. Trying to fix the problem the brain commands to elongate the eyeball to allow image focussing on the retina without extra muscle strain. As a result the eyeball is getting elongated causing the eye to become near-sighted, adjusting to the need to constantly look at short distances. And this is a continuous process, sclera (the tough eye protective membrane) becomes less strong, keeps stretching and myopia keeps progressing.