Answer
397.2k+ views
Hint: Retina is a thin layer of tissue that lines the back of the eye on the inside. It is located near the optic nerve. Retina is an essential part as this is responsible for the vision. It contains the visual pigments called rods and cones.
Complete answer:
The parts of the retina are-
Macula lutea: Macula lutea is a small yellowish area of the retina near the optic disc and provides central vision i.e. it is responsible for sharp, detailed central vision. Thus, this is an incorrect answer.
Optic disc: Optic disc is the circular area in the back of the eye where the optic nerve connects to the retina. The optic disc is the entry point for the major blood vessels that supply the retina.
Fovea Centralis: Fovea centralis is responsible for sharp central vision that is essential for reading, driving, and any activity where visual detail is of primary importance. It contains closely packed cones which are the pigment responsible for vision. So the retina is most sensitive at fovea centralis.
Periphery: Peripheral vision is the work of the rods and nerve cells located largely outside the macula i.e. the centre of the retina. These rods are responsible for night vision and low light vision but insensitive to colour.
Hence the correct answer is option ‘C’.
Note: The foveal region is present at the centre of the eye. The foveal region comprises only cones. Rods are completely absent in this region. This region provides acute vision during the day and also aid in colour vision.
Complete answer:
The parts of the retina are-
Macula lutea: Macula lutea is a small yellowish area of the retina near the optic disc and provides central vision i.e. it is responsible for sharp, detailed central vision. Thus, this is an incorrect answer.
Optic disc: Optic disc is the circular area in the back of the eye where the optic nerve connects to the retina. The optic disc is the entry point for the major blood vessels that supply the retina.
Fovea Centralis: Fovea centralis is responsible for sharp central vision that is essential for reading, driving, and any activity where visual detail is of primary importance. It contains closely packed cones which are the pigment responsible for vision. So the retina is most sensitive at fovea centralis.
Periphery: Peripheral vision is the work of the rods and nerve cells located largely outside the macula i.e. the centre of the retina. These rods are responsible for night vision and low light vision but insensitive to colour.
Hence the correct answer is option ‘C’.
Note: The foveal region is present at the centre of the eye. The foveal region comprises only cones. Rods are completely absent in this region. This region provides acute vision during the day and also aid in colour vision.
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