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    1. Assessment of neurodegeneration by optical coherence tomography and mini–mental test in Parkinson's disease

      Assessment of neurodegeneration by optical coherence tomography and mini–mental test in Parkinson's disease

      Background: Parkinson's disease is a neurodegenerative disease. Cognitive disorders and retinal degeneration may occur during the early stages of the disease. Retinal degeneration and cognitive findings can be assessed easily with optical coherence tomography and mini–mental test, respectively. Materials and Methods: Twenty-two patients who are being followed-up with Parkinson's disease and 22 healthy controls have been included in the study. The Unified Parkinson's Disease Rating Scale (UPDRS) and Hoehn–Yahr staging of the patients have been conducted at the time of admission. Retinal nerve fiber layer analysis and ganglion cell thickness (ganglion cell complexes [GCCs]) were ...

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    2. Optical coherence tomography and subclinical optical neuritis in longitudinally extensive transverse myelitis

      Optical coherence tomography and subclinical optical neuritis in longitudinally extensive transverse myelitis

      Objective: The aim is to compare the retinal nerve fiber layer (RNFL) thickness of longitudinally extensive transverse myelitis (LETM) eyes without previous optic neuritis with that of healthy control subjects. Methods: Over 20 LETM eyes and 20 normal control eyes were included in the study and subjected to optical coherence tomography to evaluate and compare the RNFL thickness. Result : Significant RNFL thinning was observed at 8 o'clock position in LETM eyes as compared to the control eyes ( P = 0.038). No significant differences were seen in other RNFL measurements. Conclusion : Even in the absence of previous optic neuritis LETM ...

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