Which of the following is most impoant factor for refractive errors: March 2007: (A) Lens, (B) Vitreous hemorrhage, (C) Aqueous humour, (D) Axial eyeball length
Answer is D. Ans. D: Axial eyeball length The condition in which incident parallel rays of light do not come to focus upon the light-sensitive layer of the retina may be due to: Abnormal length of the globe-Most impoant Abnormal curvature of the refractive surfaces of the cornea and the lens Abnnormal refractive indices of the media-aqueous or vitreous. Abnormal position of the lens