Astigmatism after cataract surgery?

summary

Suffering from cataract, now many people naturally think of using surgery for treatment. Nowadays, cataract surgery has been more mature and trusted by many patients. Although cataract technology has been relatively mature, improper operation will lead to astigmatism after cataract surgery. Today I would like to introduce to you in which cases, after cataract surgery astigmatism symptoms?

Astigmatism after cataract surgery?

If the size of the incision is too large, it may lead to corneal astigmatism after larger surgery, because the larger incision itself has a greater impact on corneal curvature. In addition, different surgical incisions have different effects on corneal curvature and eyeball shape, so they have different effects on postoperative astigmatism. If the incision dislocation occurs after the operation, the incision with too small tension may cause greater postoperative astigmatism. On the contrary, if the incision configuration can stabilize the eye shape and has little effect on corneal curvature, the chance of astigmatism after larger cataract surgery is less.

In modern extracapsular cataract extraction surgery, the location of incision can be located on the cornea, corneoscleral limbus, or sclera. A large number of clinical studies have shown that the different location of incision can significantly affect the postoperative astigmatism, especially the postoperative corneal astigmatism. The closer the incision is to the center of the cornea, the greater the influence on the central corneal curvature radius, which may lead to greater postoperative astigmatism. Because the incision of cataract extraction surgery is located at the top, the corneal astigmatism after this kind of surgery is often manifested as compliance corneal astigmatism. According to experts of fraternity, the incision on the sclera has less influence on the radius of curvature of the central cornea. The closer the incision is to the equator, the less chance it will cause corneal astigmatism after compliance surgery. But the closer the incision is to the back, the more likely it is to cause intraoperative bleeding.

If the incision is not sutured, the chance of postoperative astigmatism may be increased. There is also a great relationship between incision suture and astigmatism. Whether the suture force is uniform, too large or too small will cause corneal deformation and increase astigmatism.

matters needing attention

1. After cataract surgery, the operation eyes should be rechecked regularly, and the collision of the operation eyes should be avoided as far as possible, so as to avoid poor wound healing and dehiscence. 2. In the early stage after cataract surgery, eyes should not be used excessively to avoid aggravating eye congestion and asthenopia. Life should pay attention to the combination of work and rest, diet section. 3. At the beginning, cataract patients may not adapt to strong light, can wear sunglasses to block strong light, but also can block dust.