True, the blind spot in vertebrate eyes is a region of the retina that contains no photoreceptors.
Blind spot: a narrow area of each eye's visual field where the optic disc is located within the retina. The optic disc lacks photoreceptors, hence there are no image detection mechanisms present here. The blind spot of the right eye is situated to the right of the visual center, whereas the blind spot of the left eye is situated to the left of the visual center. If one keeps both of their eyes open, they won't be able to notice their blind spots because the visual fields of their two eyes will overlap. Since the brain has the ability to "fill in" or disregard the missing area of the image, the blind spot can be challenging to subjectively identify even with one eye closed.
You can also learn about blind spot amplitude from the following question:
https://brainly.com/question/3024472
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