Related Questions
Choroid becomes thick in the anterior part of eye to form the
ciliary body
cornea
optic nerve
iris
Carotene-rich foods are essential for good vision. Which statement best explains this relationship?
Vitamin A derivatives are formed from carotene
The photopigments are embedded in the membrane discs of the outer segment
Retinal is a derivative of Vitamin K
Retinal is the light-reflecting part of all visual photopigments
Blind spot is called to because of
The presence of photoreceptor cells
Presence of optic nerves
The absence of photoreceptor cells
None of the above
If an organism has more rods, it will
Active during day
Possess colour vision
Active during night
Both (a) and (a) are possible
Fovea located at
Macula lutea
Blind spot
Vitreous chamber
Aqueous chamber
Three major components of human eyeball are
Lens, aqueous humor and vitreous humor
Lens, iris and optic nerve
Cornea, lens and optic nerve
Cornea, lens and iris
An individual presents with difficulty seeing in dim light but normal color vision. Which photoreceptor cells and associated pigment are MOST likely affected?
Cones; Photopsin
Rods; Rhodopsin
Cones; Rhodopsin
Rods; Photopsin
A 22 years student goes to his ophthalamologist. He has problem in reading books because he is not be able to contract his
Pupil
Iris
Ciliary muscles
Lateral rectus muscle
Three major components of human eyeball are
Lens, aqueous humor and vitreous humor
Lens, iris and optic nerve
Cornea, lens and optic nerve
Cornea, lens and iris
A deficiency in which nutrient is most likely to negatively impact vision?
Vitamin A
Vitamin C
Vitamin D
Vitamin K
