1.Surgically-induced corneal changes following macular translocation with punctate retinotomies and chorioscleral infolding (limited macular translocation).
James C H PAN ; Wee-Jin HENG ; Kah-Guan Au EONG
Annals of the Academy of Medicine, Singapore 2006;35(8):588-590
INTRODUCTIONTo report the sequential changes in corneal topography and astigmatism following limited macular translocation. CLINICAL PICTURE AND TREATMENT: A 45-year-old-man who underwent limited macular translocation for idiopathic subfoveal choroidal neovascularisation in the right eye was evaluated by corneal topography and manifest refraction preoperatively and serially for 1 year postoperatively.
OUTCOMEAn increase in astigmatism with corneal steepening along meridians corresponding to the area of chorioscleral infolding was observed and this persisted for 1 year after surgery. Vector-analysed astigmatic change showed significant surgically induced astigmatism of 2.18 dioptres (D) X 52.9 degrees, 2.17 D X 57.8 degrees and 2.56 D X 59.1 degrees at 2, 5 and 12 months after surgery respectively.
CONCLUSIONSurgically induced corneal changes are evident after limited macular translocation and may remain up to 1 year after surgery.
Astigmatism ; etiology ; Choroidal Neovascularization ; surgery ; Corneal Diseases ; etiology ; Corneal Topography ; Humans ; Male ; Middle Aged ; Ophthalmologic Surgical Procedures ; adverse effects
2.A Case of Crystalline Keratopathy in Monoclonal Gammopathy of Undetermined Significance (MGUS).
Hyun KOO ; Doo Hwan OH ; Yeoun Sook CHUN ; Jae Chan KIM
Korean Journal of Ophthalmology 2011;25(3):202-205
A 62-year-old female visited our clinic with progressively decreased vision in both eyes beginning 12 years prior. Idiopathic corneal opacity in all layers of the cornea was found in both eyes. One year later, we performed penetrating keratoplasty on the undiagnosed right eye. During post-surgical follow-up, corneal edema and stromal opacity recurred, and penetrating keratoplasty was performed two more times. The patient's total serum protein level, which had previously been normal, was elevated prior to the final surgery. She was diagnosed with monoclonal gammopathy of undetermined significance. We made a final diagnosis of monoclonal gammopathy-associated crystalline keratopathy after corneal biopsy. Monoclonal gammopathy-associated crystalline keratopathy is difficult to diagnose and may lead to severe visual loss. A systemic work-up, including serologic tests like serum protein or cholesterol levels, is needed in patients with unexplainable corneal opacity.
Corneal Edema/etiology/*metabolism/physiopathology/surgery
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Corneal Neovascularization/etiology/*metabolism/physiopathology/surgery
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Corneal Opacity/etiology/*metabolism/physiopathology/surgery
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Crystallins/*metabolism
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Female
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Humans
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Keratoplasty, Penetrating
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Microscopy, Electron
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Middle Aged
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Monoclonal Gammopathy of Undetermined Significance/*complications/pathology
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Reoperation
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Visual Acuity
3.Treatment of corneal neovascularization with argon laser.
Kyung Jik LIM ; Won Ryang WEE ; Jin Hak LEE
Korean Journal of Ophthalmology 1993;7(1):25-27
Corneal neovascularization, which is associated with complications in corneal diseases, can cause lipid deposit, decreasing vision, and graft rejection after penetrating keratoplasty (PKP). Corneal laser photocoagulation using an argon laser or yellow dye laser for ablation of corneal neovascularization has been described. We performed corneal argon laser photocoagulation (CALP) in two male patients with corneal neovascularization after herpetic keratitis. One PKP was performed after CALP and restored good vision with no rejection of the graft during an 8 month follow-up period. In the other case we observed visual improvement and no recurrence of corneal neovascularization after CALP.
Adult
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Corneal Neovascularization/etiology/*surgery
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Follow-Up Studies
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Humans
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Keratitis, Herpetic/complications
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*Laser Coagulation
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Male
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Middle Aged
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Visual Acuity