Abstract • Four hundred eyes with moderate or severe proliferative diabetic retinopathy, initial good vision, and an average follow-up of 44.3 months were studied. Final visual acuity was 20/40 or better in 33% of these eyes, 20/50 to 5/200 in 32%, and 5/200 or worse in 35%. A poor visual prognosis was correlated with a traction detachment or relatively poor visual aculty at initial examination. No correlation was found between the length of follow-up and final visual prognosis. General guidelines are available for the management of these patients' conditions. References 1. Luft R, Olivecrona H, Ikkos D, et al: Hypophysectomy in man: Further experiences in severe diabetes mellitus . Br Med J 1955;2:752-756.Crossref 2. Field RA, Hall WA, Contreras JS, et al: Hypophyseal stalk section in treatment of advancing diabetic retinopathy: Report of three cases . N Engl J Med 1961;264:689-698.Crossref 3. Meyer-Schwickerath G: Lichtkoagulation . Buech Augenarzt 1959;33:1-96. 4. Pomerantzeff O, Mahlmann CV, Schepens CL: The effects of scleral resection: I. Mathematical analysis . Ann Ophthalmol 1970;2:651-660. 5. Schepens CL, Pomerantzeff O: The effects of scleral resection: II. Further mathematical analysis and practical application . Ann Ophthalmol 1970;2:755-759. 6. Machemer R, Buettner H, Norton EWD, et al: Vitrectomy: A pars plana approach . Trans Am Acad Ophthalmol Otolaryngol 1971;75:813-820. 7. Preliminary report on the effects of photocoagulation therapy, Diabetic Retinopathy Study Research Group . Am J Ophthalmol 1976;81:383-396. 8. Photocoagulation treatment of proliferative diabetic retinopathy: The second report of Diabetic Retinopathy Study findings, Diabetic Retinopathy Study Research Group . Ophthalmology 1978;85:82-106.Crossref 9. Four risk factors for severe visual loss in diabetic retinopathy: The third report from the Diabetic Retinopathy Study, Diabetic Retinopathy Study Research Group . Arch Ophthalmol 1979;97:654-655.Crossref 10. Photocoagulation Treatment of Proliferative Diabetic Retinopathy: A Short Report of Long-range Results, Diabetic Retinopathy Study Research Group. Amsterdam, Excerpta Medica, to be published. 11. Cheng H: Response of proliferative diabetic retinopathy to xenon arc photocoagulation: A multicentre randomized controlled trial: Second interim report . Trans Ophthalmol Soc UK 1976;96:224-227. 12. Federman JL, Boyer D, Lanning R, et al: An objective analysis of proliferative diabetic retinopathy before and after pars plana vitrectomy . Ophthalmology 1979;86:276-282.Crossref 13. Rice TA, Michels RG: Long-term anatomic and functional results of vitrectomy for diabetic retinopathy . Am J Ophthalmol 1980;90:297-303. 14. Diabetic Retinopathy Vitrectomy Study: A randomized trial of vitrectomy in group N eyes: Background and study design , in Manual of Operations . Minneapolis, DRVS Coordinating Center, 1979, chap 13. 15. Lee PF, McMeel JW, Schepens CL, et al: A new classification of diabetic retinopathy . Am J Ophthalmol 1966;62:207-219. 16. Bancroft H: Introduction to Biostatistics . New York, Harper & Row Publishers Inc, 1957, pp 131-147. 17. Colton T: Statistics in Medicine . Boston, Little Brown & Co, 1974, pp 174-183. 18. McMeel JW: Diabetic retinopathy: Fibrotic proliferation and retinal detachment . Trans Am Ophthalmol Soc 1971;69:440-493. 19. Davis MD: Vitreous contraction in proliferative diabetic retinopathy . Arch Ophthalmol 1965;74:741-751.Crossref 20. Tolentino FI, Lee PF, Schepens CL: Biomicroscopic study of vitreous cavity in diabetic retinopathy . Arch Ophthalmol 1966;75:238-246.Crossref 21. Blach RK: The vitreous in diabetic retinopathy . Trans Ophthalmol Soc UK 1975;95:407-411. 22. Tasman W: Retinal detachment secondary to proliferative diabetic retinopathy . Arch Ophthalmol 1972;87:286-289.Crossref 23. Mandelcorn MS, Blankenship G, Machemer R: Pars plana vitrectomy for the management of severe diabetic retinopathy . Am J Ophthalmol 1976;81:561-570. 24. Cohen HB, McMeel JW, Franks EP: Diabetic traction detachment . Arch Ophthalmol 1979;97:1268-1272.Crossref
Archives of Ophthalmology – American Medical Association
Published: Sep 1, 1981
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