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The probable effects of lesion of left optic tract on the vision of a human subject are given below. Identify the correct statement. (1) Blindness in the left eye but […]

When a person enters a dark room from bright sunlight he cannot see anything for a few seconds because (1) Rhodoposin pigment is light inactivated (2) Scotopsin proteins of rods […]

In a normal human eye, for sharp image formation on the retina, maximum dioptric power is provided by the (1) retina (2) cornea (3) anterior surface of the lens (4) […]

Melanopsin is found in which cell of the retina? (1) Cones (2) Rods (3) Ganglion cells (4) Bipolar cells  Melanopsin is a photopigment found predominantly in a specialized subset of […]

Hawk’s retina possesses a large number of (1) rods. (2) melanocytes. (3) cones. (4) kuffer cells. Hawks are renowned for their extraordinary vision, which is fundamentally supported by the specialized […]

A 1 meter tall object was placed 10 meter in front of a normal eye. The size of the image on the retina will be (consider distance between lens and […]

An object of 1.5 m height is placed 8.5 m away from the human eye and image is formed on retina which is 1.7 cm away from the lens. The […]

To focus image during near vision the accommodation in lens of eye is mainly (1) Due to change in surface of front of lens (2) Due to interior zonule which […]

Albinos have visual problem in bright light because they lacks (1) Melanin (2) Rods (3) Cones (4) Neural Retina Albinos face distinctive visual challenges, particularly in bright light, due to […]

The following statements describe the possible functions of the outer hair cells (OHC) of organ of Corti: A. The outer hair cells (OHC) are depolarized or hyperpolarized depending on the […]