Question

Match the following:

	Defects of vision		Corrective lenses
a	Myopia	i	Bifocals
b	Presbyopia	ii	Convex lenses
c	Both myopia and hypermetropia	iii	Concave lenses
		iv	Trifocals

1. a – iii, b – ii, c – i, iv 
2. a – i, b – iii, c – iii
3. a – iii, b – ii, c – ii
4. a – i, iii, b – ii, c – iii, i