3. A farsighted person has their near-point 2.:- 25 cm? and needs glasses to see objects clearly nearer at hand. Suppose your nearpoiot is 40 cm. If you try to read a book held 25 cm away from you, it will be out of focus because the image of the page is not on your retina. (a) Where is the image of the page? (b) Design a corrective lens that will allow you to read a book held 25 cm away. (Hint: inverse focal lengths add when lenses are close together....) 4. A near-sighted person can only see objects clearly up to a maximum distance (hum. Desigo a lens to correct the vision of a person for whom rim.\" = 37 cm