Metastatic adenocarcinoma presenting as an isolated ciliary body tumour.
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Biomedical subjects
Publications and source records attributed to D M Curtin.
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This study was undertaken to determine if the age related decrease in pupil size is attributable to altered sympathetic adrenoceptor responsiveness. Log dose response curves using the selective alpha 1 agonist phenylephrine and antagonist thymoxamine showed that there is no difference in alpha 1 adrenoceptor sensitivity in the elderly and the young. Therefore age related miosis is not caused by an alteration in alpha 1 receptors with age.
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The aim of this study was to assess inner retinal function in patients with Best's disease using the pattern ERG (PERG). Nine patients with Best's disease, who had good visual acuity, were studied. Five of the nine had abnormal PERGs. All five had some reduction in central visual acuity. We believe that the abnormal PERGs in these patients represents photoreceptor cell loss which is occurring at an early stage in Best's disease.