WorksheetsPhysiological Optics - Week 2
Total questions: 10
Worksheet time: 5mins
1. Which of the following correctly matches a retinal layer with its primary function?
A) Ganglion cell layer – site of phototransduction
B) Retinal pigment epithelium – supports photoreceptor function through phagocytosis
C) Inner nuclear layer – location of optic nerve fiber bundling
D) Outer plexiform layer – houses the nuclei of photoreceptor cells
2. What is the primary role of the retinal pigment epithelium in the eye?
C) To absorb stray light and prevent scattering
B) To provide nutrients to the photoreceptors
D) To facilitate the regeneration of photopigments
A) To generate action potentials for visual signal transmission
3. Which factor most affects the focal length of the eye during accommodation?
A) Shape of the retina
B) Curvature of the cornea
C) Anterior-posterior length of the eye
D) Shape and curvature of the crystalline lens
Absence of medium trichromatic cone
Protanomaly
Protanopsia
Deuteranopsia
Tritanomaly
Irregular shaped specks that drift around within your field of vision. They form when tiny chunks of gel like vitreous humor break off and float in the aqueous humor in the center of the eye
Aqueous humor
Vitreous floaters
Vitreous humor
Glaucoma
Rods are responsible for __________ and ____________________ while cones are responsible for _________ and _________
colour vision and detail: night vision and peripheral vision
night vision and detail; colour vision and peripheral vision
night vision and colour vision; colour vision and detail
night vision and peripheral vision; colour vision and detail
Sclera
Choroid
What is the reason why the cornea is transparent?
Absence of blood vessels
All of the above
Orderly arrangement of the fibers
Epithelial cells are not keratinized
