J Korean Ophthalmol Soc.
1977 Mar;18(1):59-68.
Perivascular and Intervascular Argyrophilic Fibers of the Retina
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- 1Department of Ophthalmology, College of Medicine, Busan National University, Busan, Korea.
Abstract
- The author studied the perivascular and intervascular argyrophilic fibers of human retina suffered from some intraocular _ disease such as retinoblastoma, congenital anterior staphyloma, phthisis bulbi following after glaucoma surgery, two cases of absolute glaucoma following after traumatic ectopia lentis,endophthalmitis complicated by penetrating injury The technique of preparing slides to study the retinal vascular patterns consist of trypsin digestion according to the method of Kuwabara and Cogan. The stains adopted mainly in this study were either PAS (periodic acid-Schiff) -hematoxylin or Wilder's reticulin stain to demonstrate the perivascular and intervascular argyrophilic ficers cf the retina. Resulte obtained as follows: 1. In the congenital anterior staphyloma, retinal artery showed encircling wavy argyrophilic fibers but in the vein the argyrophilic fibers of circular arrangement were rather coarse those shown in the artery and those fibers of vertical arrangement were running more externally. The intervascular strands between artery and vein were continuous with argyrophilic perivascular network. 2. In the eye of absolute glaucoma, no specific changes found in argyrophilic fibers of retinal artery. Circular fiber was poorly stained and more coarse in dilated portion but relatively preserved vertical fibers of the retinal vein. Microaneurysmal dilatation(beaded) was found in venous capillaries. 3. In the endophthalmitis,relatively preserved argyrophilic fibers in the retinal artery but interrupted, reduced and irregular patterns of circular fibers were noticed in the retinal vein. 4. In non-tumorous parts of the retinoblastoma argyrophilic, fibers in the dilated vessel wall were more coarse those in than normal. 5. Proliferation of strands (spider like structure) between the peripheral fibrotic retinal vessels of atropia bulbi eye and some parts of intercapillary bridge were composed of argyrophilic fibers.
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