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Dr. Rupande's Eye Care

In a normal eye when rays of light pass through the lens and
cornea at the front of the eye, they are bent or refracted
and come to a focal point on the macula, a part of the
retina at the back of the eye.

                                                  MYOPIA ( NEARSIGHTEDNESS )

                                                  When the light rays focus on a focal point in front of the
                                                  retina as the eyeball may be too long or the lens system
                                                  has too much focusing power, this refractive error is
                                                  called myopia or nearsightedness. In people with myopia
                                                  distant objects are blurry, close objects are clear.


When the light rays focus on a focal point behind the retina
as the eyeball is too short or the focusing power of the lens
is too weak, this error is called hyperopia or farsightedness.
In people with hyperopia, distant objects and up close objects
are blurry.


                                                  When the light rays cannot focus on a single focal point,
                                                  but focuses on more than one point on the retina as there
                                                  is distortion in the shape of the cornea, this refractive
                                                  error is called astigmatism. Astigmatism is often
                                                  responsible for starbursts, "ghosting" images, and halos
                                                  or rings around lights at night. Astigmatism can be
                                                  corrected with glasses or GP contact lenses.

All these refractive errors can be corrected surgically with LASIK


Decrease in flexibility of natural lens due to aging doesn’t
allow to focus on close vision and this compromises the
eye's ability to accommodate or switch from one focal point
(objects at a distance – driving) to another focal point
(objects that are close – reading). There may be eye fatigue
along with headaches when doing close work. This occurs
around the age of 40 and is known as presbyopia. No exercise
or medications can reverse presbyopia. Conductive
keratoplasty is a new procedure where the cornea is
flattened temporarily, but has to be repeated as the power
of refraction needed for near usually increases as one grows


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