| senile retinoschisis | Retinoschisis occurring most often in the elderly and affecting the outer plexiform layer; it begins in the extreme inferotemporal periphery and is not significantly progressive; vision usually is good. (05 Mar 2000) |
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| senile sebaceous hyperplasia | Hyperplasia of mature sebaceous glands, forming a nodule on the skin of the face or forehead in elderly persons. (05 Mar 2000) |
| senile tremor | An essential tremor that becomes symptomatic in elderly adults. (05 Mar 2000) |