. A system of obstetrics . ken from the phototype which accompanies Van Duysespaper. Such phenomena may be explained upon the theory of anarrest of development associated with failure in the evolution of theanterior structures of the eyeball. As in other deformities of the face,like the persistence of certain fissures, and in the eyelids, as in eolo-boma, the theory of amniotic attachments as factors in its formationhas been thought of in connection with the condition just described. In addition to a partial or complete absence of the eyelids, cases areon record in which they have been abnorma
. A system of obstetrics . ken from the phototype which accompanies Van Duysespaper. Such phenomena may be explained upon the theory of anarrest of development associated with failure in the evolution of theanterior structures of the eyeball. As in other deformities of the face,like the persistence of certain fissures, and in the eyelids, as in eolo-boma, the theory of amniotic attachments as factors in its formationhas been thought of in connection with the condition just described. In addition to a partial or complete absence of the eyelids, cases areon record in which they have been abnormally short. Thus Fuchs 1 Annates d Oculisiique, , 1889. 2 Loc. cit. CONGENITAL ANOMALIES OF THE EYELIDS. 825 reports two such instances of abnormal shortness of the lids, 80 thatthe patients could close them only by the strongest pressure. Pfiugerobserved in a patient an abnormal length of the fissure of the lids,where complete closure was only possible by the greatest effort Eetro- pi um was not present. Fig. Cryptophthalmoa (after Van Dnyse), D18TICHIASI8, or the development of supplementary incurved rowsof cilia, is often congenital, and is sometimes spoken of under tin- tiil«of distlchiasis congenita. In this condition the la-he- of the outer edgeof the lid are normally placed, but from the intermarginal part, closeto the opening of tin- tarsal glands, a Becond row of cilia appears, whichrub- again si tli« eyeball, h may lie seen as an unassociated congenitalanomaly or in connection with other defects j for instance, in one caseobserved by Schweigger there was epicanthus and |»t«»—1—, and in anothera clef) palate The second row, or the increased Dumber of the hair-follicles, is produced when the ordinary follicles arc generated, but it isprobable that in many instances tin- remains quiet, and the supernu- 826 CONGENITAL ANOMALIES OF THE EYE merary row of lashes does not appear until about the age of puberty,when it springs forth under the same impulse
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectobstetrics, bookyear1
