physics II

posted by .

the lens to retina distance in the human eye averages 2.0cm what is the power of the lens of the human eye

  • physics II -

    M=25cm/focal length

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Biology/Human Body

    Which one of the following groups correctly identifies the orer in which light enters the eye from any source?
  2. Physics

    The crystalline lens of the human eye is a double convex lens made of material haveing an index of refraction of 1.44. Its focal length in air is about 8 mm which also varies. We shall assume that the radii of curvature of its two …
  3. physics

    The nearpoint of an eye is 123 cm. A corrective lens is to be used to allow this eye to clearly focus on objects 25 cm in front of it. What should be the focal point of this lens?
  4. college physics

    A certain person's eye measures 24.0 mm from the pupil to retina. (a) If we treat the eye's lens as a thin lens, what is its focal length when the person focuses on a pencil 44.3 cm from the eye?
  5. physics

    An astronomical telescope has an object lens of 80cm and an eyepiece of 5cm focal length.If the image is formed 25cm from the eye piece when a distant object is viewed by the eye close to the eye piece ,detemine the magnifying power …
  6. physics

    The lens-to-retina distance of a woman is 1.96 cm, and the relaxed power of her eye is 55.2 D. a) What is her far point?
  7. physics

    A severely myopic patient has a far point of 5.00 cm. By how many diopters should the power of his eye be reduced in laser vision correction to obtain normal distant vision for him?
  8. Physics

    The near and the far points of a short-sighted are 8 cm and 20 cm from the eyeball. a) What power of corrective lens is needed for this eye to see distant objects clearly?
  9. PHYSICS

    Assuming an object at infinity, a person has far points of 5.2 m from the right eye and 6.2 m from the left eye. Describe the lens required (diopters) as seen in a prescription for the refractive power of each corrective contact lens.
  10. Physics

    a) Why do you think our eyes fail to see object clearly at varous distances?

More Similar Questions