1. Between the sensory retina and the retinal pigment epithelium. 2. Between the retinal pigment epithelium and the choroid.
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sub·ret·i·nal -'ret-ən-əl adj situated or occurring beneath the retina <\subretinal fluid>
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sub·ret·i·nal (səb-retґĭ-nəl) below the retina.Medical dictionary. 2011.