. Transactions . Specimen No. 1. Vertical section throu<^-h the rudimentaryglobe. To the left can be seen the entrance of the opticnerve; to the right the distended anterior end of the primaryvesicle. Above the rudimentary sclera, with the tendon ofthe superior oblique, the choroid and the retinal pigmentlayer. The much vacuolated lens lying in the centre withthe rudimentary ciliary body, ora serrata, and retina is no sclera below; a large ciliary nerve can be seenrunning forwards. The ri(/]it ()i)tlc nerve, compared to the left side, wassmall; the chiasma was of normal ap])ear


. Transactions . Specimen No. 1. Vertical section throu<^-h the rudimentaryglobe. To the left can be seen the entrance of the opticnerve; to the right the distended anterior end of the primaryvesicle. Above the rudimentary sclera, with the tendon ofthe superior oblique, the choroid and the retinal pigmentlayer. The much vacuolated lens lying in the centre withthe rudimentary ciliary body, ora serrata, and retina is no sclera below; a large ciliary nerve can be seenrunning forwards. The ri(/]it ()i)tlc nerve, compared to the left side, wassmall; the chiasma was of normal ap])earance, and the(jptic tracts were of equal si/e on both sides. Teasedpreparations and sections stained with logwood and eosinshowed the ])resence of axis cylinders. There wvw novessels within tlie ueive, ilic rclinal vessels lying below. MlCKOril Fifi. 7). 843. Fig. 76, 77, and 78, Spccuncii ^u. 1, arc hig-h-power views ofFig. 75, from left to right. The entrance of the optic nerve. Above are the choroid andretinal pigment layer; below the nerve fibres and commence-ment of the retina. Note the cleft is between the two layersof the primary optic vessels. Fia. 77.


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Keywords: ., bookcentury1800, bookdecade1880, bookpu, booksubjectophthalmology