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  • Title: Monitoring cystoid macular edema by optical coherence tomography in patients with retinitis pigmentosa.
    Author: Apushkin MA, Fishman GA, Janowicz MJ.
    Journal: Ophthalmology; 2004 Oct; 111(10):1899-904. PubMed ID: 15465554.
    Abstract:
    PURPOSE: To determine the value of optical coherence tomography (OCT) imaging in the diagnosis and monitoring of cystoid macular edema (CME) in patients with retinitis pigmentosa (RP). DESIGN: Prospective, noncomparative, small case series. PARTICIPANTS: Three patients with RP and cystic-appearing spaces in the macula on OCT images. INTERVENTION: All 3 patients were treated with a carbonic anhydrase inhibitor, and 1 also received topical and systemic steroids. MAIN OUTCOME MEASURES: Changes in OCT images, fluorescein angiography, and best-corrected visual acuity (VA). RESULTS: Although foveal cysticlike spaces were evident on OCT images in all 3 patients, only 1 patient showed CME on fluorescein angiography at baseline. Two of the 3 patients showed funduscopic evidence of macular cystic lesions, whereas a third showed no clinically evident fundus changes in the macula. Optical coherence tomography images documented improvement in the cystic-appearing spaces after treatment with the carbonic anhydrase inhibitor. Changes on fluorescein angiography were either not apparent or considerably less apparent. An improvement of > or =1 line on a Snellen acuity chart was recorded in 2 patients, whereas a third showed no change of VA in either eye. CONCLUSIONS: Optical coherence tomography is a potential method for the diagnosis and monitoring of CME in patients with RP. It was more sensitive in this regard than either fluorescein angiography or funduscopic examination.
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