Questions and Answers
True or false: The retinal pigmented epithelium (RPE) forms the outermost layer of the retina.
True
True or false: The RPE is more adherent to the choroid than the rest of the retinal tissue.
True
True or false: The RPE is pigmented in the tapetal fundus and can be seen clinically.
False
True or false: The inner sensory retina contains nine layers.
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True or false: The optic retina extends from the optic disc to the ora ciliaris retinae.
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True or false: The RPE helps to phagocytose the dead photoreceptors.
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True or false: The tigroid fundus refers to the visibility of the underlying choroid and sclera in the non-tapetal area where there is no pigment in the RPE.
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True or false: The sensory retina or neuroretina is composed of layers 2 through 10 and is responsible for processing the neuronal signal or visual sensation.
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True or false: The retinal thickness is primarily influenced by the vascularity rather than the dominant type of photoreceptor.
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Study Notes
Retinal Layers and Structure
- The retinal pigmented epithelium (RPE) forms the outermost layer of the retina.
- The RPE is more adherent to the choroid than the rest of the retinal tissue.
RPE Characteristics
- The RPE is pigmented in the tapetal fundus and can be seen clinically.
- The RPE helps to phagocytose the dead photoreceptors.
Retinal Layers
- The inner sensory retina contains more than nine layers.
- The sensory retina or neuroretina is composed of layers 2 through 10 and is responsible for processing the neuronal signal or visual sensation.
Retinal Regions
- The optic retina extends from the optic disc to the ora ciliaris retinae.
Fundus Appearance
- The tigroid fundus refers to the visibility of the underlying choroid and sclera in the non-tapetal area where there is no pigment in the RPE.
Retinal Thickness
- The retinal thickness is primarily influenced by the vascularity rather than the dominant type of photoreceptor.
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