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JOSEPH LAVAL, M.D.

Arch Ophthal. 1938;19(1):47-53.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Many theories have been advanced for the etiology of myopia. Some (Arlt, Branner and Heinonen) believe that continued use of the eyes for close work, such as reading and sewing, causes elongation of the globe as a result of compression by the internal rectus muscle. Others believe that the general physical condition of city dwellers is inducive to the development of myopia (Steiger). Some insist that the intra-ocular tension is increased by prolonged near work, with resultant stretching of the posterior pole of the eye, and this accounts for the prescribing of miotics by some ophthalmologists in cases of myopia (Mayer). Levinsohn is the chief protagonist of the view that by persistently keeping the head bent downward in reading and sewing the eyeball is made to stretch in its antero-posterior diameter, the posterior pole bearing the brunt.

These views really belong in the category of mechanical influence causing stretching of . . . [Full Text PDF of this Article]

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