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1.
Korean Journal of Ophthalmology ; : 10-17, 2008.
Article in English | WPRIM | ID: wpr-78062

ABSTRACT

PURPOSE: To assess the relationship between the retinal thickness analyzer (RTA) parameters, and those of the GDx VCC scanning laser polarimeter (GDx VCC), Stratus OCT optical coherence tomography (Stratus OCT), and Heidelberg retinal tomograph II confocal scanning laser ophthalmoscopy (HRT II). METHODS: Twenty-nine primary open-angle glaucoma patients were retrospectively included in this study. Measurements were obtained using the RTA, GDx VCC, Stratus OCT, and HRT II. We calculated the correlation coefficients between the parameters of RTA and those of the other studies. RESULTS: Among the optic disc parameters of RTA, the cup volume was best correlated with Stratus OCT (R=0.780, p<0.001) and HRT II (R=0.896, p<0.001). Among the posterior pole retinal thickness parameters, the posterior pole abnormally thin area (PPAT) of the RTA and the inferior average of the GDx VCC were best correlated (R=-0.596, p=0.001). The PPAT of the RTA and the inferior maximum of the Stratus OCT were best correlated (R=-0.489, p=0.006). The perifoveal minimum thickness (PFMT) of the RTA and the cup shape measurement of the HRT II were best correlated (R=-0.565, p=0.004). CONCLUSIONS: Many RTA optic disc parameters were significantly correlated with those of the Stratus OCT and HRT II. The RTA posterior pole retinal thickness parameters were significantly correlated with those of the GDx VCC, Stratus OCT and HRT II. The RTA optic disc and posterior pole retinal thickness parameters may be valuable in the diagnosis of glaucoma.


Subject(s)
Adolescent , Adult , Aged , Female , Humans , Male , Middle Aged , Diagnostic Techniques, Ophthalmological , Glaucoma, Open-Angle/diagnosis , Lasers , Ophthalmoscopy , Optic Disk/pathology , Optic Nerve Diseases/diagnosis , Retina/pathology , Retrospective Studies , Tomography, Optical Coherence
2.
Journal of the Korean Ophthalmological Society ; : 1299-1304, 2005.
Article in Korean | WPRIM | ID: wpr-92746

ABSTRACT

PURPOSE: To evaluate the correlation between diabetic macular edema diagnosed with stereoscopic slit-lamp and retinal thickness analyzer (RTA). METHODS: Diabetic macular edema diagnosed with stereoscopic slit-lamp was compared to indices of RTA in 50 eyes of 32 persons which were diagnosed clinically with diabetic retinopathy. RESULTS: From stereoscopic slit-lamp results, diabetic macular edema was present in 39 of 50 eyes, and absent in 11 of 50. Foveal average thickness out of the RTA indices was 209.7+/-58.5 micrometer from observing diabetic macular edema clinically and 199.4+/-47.3 micrometer from not observing diabetic macular edema clinically. Statistically significant differences were found in average foveal thickness between the 2 groups (p=0.013). CONCLUSIONS: RTA appears to serve as a useful and sensitive tool for the diagnosis of diabetic macular edema.


Subject(s)
Humans , Diabetic Retinopathy , Diagnosis , Macular Edema , Retinaldehyde
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