After light enters the eye through the cornea, it follows which of the following pathways before it reaches the photoreceptors?
Question 20 options:
vitreous humour ® lens ® aqueous humour ® optic nerve
aqueous humour ® iris ® vitreous humour ® retina
aqueous humour ® lens ® vitreous humour ® retina
vitreous humour ® iris ® aqueous humour ® optic nerve