How boy eye sight defect? If
A student feels difficulty in reading the book on the table but reads properly the words written on the black-board. Hes sight defect is
- Long-sightedness
- Short-sightedness
- Astigmatism
- Colour-blindness
A student feels difficulty in reading the book on the table but reads properly the words written on the black-board. Hes sight defect is
