Why do you have better two-point discrimination in your fingertips than on your back?

Q: Why does the blind spot from the optic disc in either eye not result in a blind spot in the visual…

A: Retina,  is a thin membrane of neural tissue at the back of eye, are composed  photoreceptors. When…

Q: can you show how do you do the corss to see the result?

A: This is an example of  epistasis where the effect of one gene masks the effect of other gene present…

Q: Three patients have suffered destruction of different portions of their visual pathway. Patient 1…

A: Special senses are the senses that have a devoted organ for each of them. Special senses include…

Q: Name two special senses whose receptor cells are replaced throughout life, and two special senses…

A: There are various kinds of cell receptors in our different sense organs in order to perceive…

Q: Can you help me the name of the eye system model?

A: The eye is main sensory organ of sight, which has number of components like cornea, iris, pupil,…

Q: Unilateral Cerebral strokes can cause deficits in motor control, somatic sensation and vision.…

A: Anterior circulation stroke typically causes unilateral symptoms. Posterior circulation stroke can…

Q: Would you have expected to have found more tactile corpuscies and Merkel discs on the palrm or on…

A: Mechanoreceptors are receptors that detect and relay somatosensory information.  There are four…

Q: What is the difference between convergence and divergence of light?

A: Introduction: Because of refraction, a ray or beam of light bends at an angle. The degree to which…

Q: Why must the subject hold the Snellen acuity card close to his or her eyes to test near vision?

A: In the human body, common vision problems occur due to refractive errors rather than eye diseases.…