NCERT solutions for class 10 science The Human Eye and the Colorful World Today we will learn ‘ The defects of vision and their correction ’. Defects of vision and their correction The ability to see is called vision.It is also called an eyesight.Vision is known as ‘Drishti’ in Hindi. There are three common defects of vision or defects of the eyes: Myopia Hypermetropia Presbyopia Myopia (Short-sightedness or nearsightedness) Myopia is the defect of vision due to which a person cannot see the distant objects clearly, though he/she can see the nearby objects clearly. The far point of an eye suffering from myopia is less than infinity. The defect of the eye called myopia is caused:- Due to thehigh converging power of eye lens because of its short focal length. Due to the eyeball being too long. In some cases, in an eye suffering from myopia, the ciliary muscle attached to the eye lens does not relax sufficiently to make the eye-lens thinner to reduce its...
Takshila Learning has a great faculty and they have their own unique style of teaching and communicating ideas which enables the students to handle any situation with ease and come out with flying colors. By adding this online medium for teaching various courses, they have not only widened our options but have made it