The commoner diseases of the eye : how to detect and how to treat them . Dislocation of the Lens,and is so well poised that it readily withstandsthe influence of ordinary jars or injuries to theocular region. But severe blows, delivered di-rectly upon the globe may, particularly if thelieament be weakened by disease or if the •jv(; COMMONER DISEASES OF THE EYE. tfc/Y THE CRYSTALLINE LENS AND ITS CONNE( riONS. Cor.—Cornea. of Schlemm. Sc= oil. Ciliary vein. M. Pr. body. CATARACT AND OTHER AFFECTIONS 287 vitreous be fluid, cause rupture
The commoner diseases of the eye : how to detect and how to treat them . Dislocation of the Lens,and is so well poised that it readily withstandsthe influence of ordinary jars or injuries to theocular region. But severe blows, delivered di-rectly upon the globe may, particularly if thelieament be weakened by disease or if the •jv(; COMMONER DISEASES OF THE EYE. tfc/Y THE CRYSTALLINE LENS AND ITS CONNE( riONS. Cor.—Cornea. of Schlemm. Sc= oil. Ciliary vein. M. Pr. body. CATARACT AND OTHER AFFECTIONS 287 vitreous be fluid, cause rupture of some of thesuspensory fibres and the lens may thus becomedislocated. When the zonula is torn to a slightdegree only, the dislocation is correspondinglyslight; but when the violence is considerable anddirected towards the ciliary region, the lens maybe torn entirely away from its fibrous supportsand driven into the vitreous, the anterior cham-ber, or even through the burst sclerotic under-neath the conjunctiva. In every case of dislo-cation there is more or less trembling of the un-supported iris (iridodoitcsis) when the patientis told to look in various directions, and this isdiagnostic of the injury. After its dislocation(in consequence of interference with its nutri-tion) the lens grows hazy and may finally be-come quite opaque. If the pupil be
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