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Glaucoma Branding Kit
The eye, including its structure and mechanism, has fascinated scientists and the public in general since ancient times. The discovery of the eye went through two cycles of limiting speculation and freeing observation, which led to a dark age between Galen and Vesalius.
Do you read imperfectly? Can you observe then that when you look at the firstword, or the first letter, of a sentence you do not see best where you are looking;that you see other words, or other letters, just as well as or better than the oneyou are looking at? Do you observe also that the harder you try to see the worseyou see?
Now close your eyes and rest them, remembering some color, like black orwhite, that you can remember perfectly. Keep them closed until they feel rested,or until the feeling of strain has been completely relieved. Now open them andlook at the first word or letter of a sentence for a fraction of a second. If you havebeen able to relax, partially or completely, you will have a flash of improved orclear vision, and the area seen best will be smaller.
It is a well known fact that the human body is not a perfect mechanism. Nature, inthe evolution of the human tenement, has been guilty of some maladjustments.She has left, for instance, some troublesome bits of scaffolding behind. But nowhere is she supposed to have blundered sobadly as in the construction of the eye. With one accord ophthalmologists tell usthat the visual organ of man was never intended for the uses to which it is nowput.
Was it reasonable to expect that Nature should have provided for all thesedevelopments, and produced an organ that could respond to the new demands?It is the accepted belief of ophthalmology to-day that she could not and did not,1and that, while the processes of civilization depend upon the sense of sight morethan upon any other, the visual organ is but imperfectly fitted for its tasks.
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