a) What is long-sightedness? State the two causes of long-sightedness. With the help of ray diagram, show:i) the eye defect long sightednessii) correction of long-sightedness using a lensb) An eye has a
Long Sight (Hypermetropia) - Clear View Opticians - Lincoln
Hyperopia | Glasses Direct ™
a What is long sightedness ? State the two causes of long sightedness or hypermetropia. With the help of ray diagrams, show : i the eye defect long sightedness. ii correction of
Troubles de la vision Banque d'images détourées - Alamy