Intraocular Hemodynamics in Cases of Occlusion of the Central Vein of the Retina.
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Accession number;01A0305098
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| Title;Intraocular Hemodynamics in Cases of Occlusion of the Central Vein of the Retina. |
| Author;
HASHIMOTO TETSUYA
(Toho Univ., Sch. of Med.)
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Journal Title;Journal of the Medical Society of Toho University
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Journal Code:G0654A
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ISSN:0040-8670
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VOL.48;NO.1;PAGE.58-66(2001)
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| Figure&Table&Reference;FIG.1, TBL.12, REF.26 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;Retinal circulation time in cases of occlusion of the central vein of the retina was measured using fluorescein angiography in order to study intraocular blood flow in various types of this disorder. In type I patients (all under 50yrs.), there was no evidence of arteriosclerosis, and delays in retinal circulation time were minimal. Visual acuity was satisfactory both at the initial and final post-treatment examinations. In type II (non-ischemic type) cases, the initial visual acuity ranged widely from 0.2 to 1.2, and final visual acuity was influenced by age, the presence or absence of arteriosclerosis, initial visual acuity and retinal circulation time. Final visual acuity was satisfactory in those cases with good initial visual acuity, no arteriosclerosis and only a slight delay in retinal circulation time. Final visual acuity was poor in older patients, in cases with arteriosclerosis and in patients with significantly delayed retinal circulation time. Type III (ischemic type) patients had poor initial visual acuity, arteriosclerosis and a marked delay in retinal circulation time, as well as poor final visual acuity in many cases. Type IV (ischemic type) patients had marked visual damages at the initial examination. Moreover, retinal circulation time was markedly prolonged, and advanced intraocular circulation was suspected. Final visual acuity was also poor. (author abst.) |
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