Defect of the vision

KERATOCONUS

    Keratoconus is a disease of the cornea. The cornea forms the anterior bet eyeball , it looks like a transparent window , showing the color of the iris behind . Its rounded shape is more like a football than a rugby ball. Keratoconus is a corneal disease characterized […]

PRESBYTIA

      Ophtalmos-3Zigs-mod04 3 VIDEO OF PRESBYTIA   It is difficult to close , from the forties, the text to read it away , we approach the light, it is difficult to thread the needle , etc … The arms are not long enough By cons, if you are […]

FARSIGHTEDNESS

   The image is formed behind the retina, a convex glass back on the retina.   Ophtalmos-3Zigs-mod03 6 VIDEO OF FARESIGHTEDNESS   It is the fact of needing glasses as well as nearly far. The eye is very short, the image is formed behind the retina, the eye accommodates all […]

ASTIGMATISM

                    ASTIGMATISME VIDEO OF ASTIGMATISM     It is due to a defect in the curvature of the cornea. This one instead of like a football, like a rugby ball. It is isolated or associated with myopia or hyperopia. He is […]

MYOPIA

  LA MYOPIE   This is done to see near and far look bad . The image forms in front of the retina, the eye being too long. The fact of wearing glasses a myopic child, allows him to see better without glasses, allows a better view but does not [...]