LASIK eye surgery
Bildnummer 11853335
| Laser eye surgery. Artwork showing three stages of LASIK laser eye surgery for astigmatism. The eye is seen from above. Astigmatism is caused by a cornea (blue,left) that is not perfectly spherical. The non-uniform curvature means that light rays do not all come to a single focus point on the retina (back of eye). This can be repaired by LASIK eye surgery. A flap is cut in the cornea (top) using a special knife called a microkeratome. An excimer laser (middle) is then used to remove some tissue from the corneal stroma (pink). The flap is replaced and heals without stitches in a couple of weeks. This procedure can also be used to treat nearsightedness (myopia) and farsightedness (hyperopia) | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Veisland, Bo |
| Bildgröße: | 2008 px × 3160 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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