Intraocular Magnetic Foreign Body Extraction

Suitable for magnetic foreign bodies in the lens. Treatment of diseases: glaucoma caused by dislocation of lens ectopic lens Indication Suitable for magnetic foreign bodies in the lens. Contraindications The patient is too old and should be filled with poor general condition. Preoperative preparation Fully dilated (using a fast dilator). Surgical procedure 1. Transparent crystal in the body foreign body suction surgery first sucks foreign matter into the anterior chamber, and then removes the foreign body in the anterior chamber. 2. Turbid crystal in the body of foreign body removal. (1) If the anterior capsule of the lens is small, it can be removed by the intracapsular cataract extraction method together with the foreign body. (2) If the anterior capsule of the lens is large, it can be removed by extracapsular cataract extraction. It is also possible to use an electromagnet to remove the foreign body first, and then remove the cataract. Be careful not to drop foreign objects into the vitreous. complication (1) postoperative bleeding. Appropriate application of hemostatic agents before and after surgery. (2) Retinal detachment. Preoperative and post-examination, those with holes can be closed with argon hormone; those with fibrous cords can retract the retina, vitreous resection can be performed; those with larger holes can be scleral cerclage; vitreous gas injection for macular holes . (3) Endophthalmitis. Apply antibiotics systemically and topically. (4) Sympathetic ophthalmia. 1 try to protect the eyeball, apply a lot of antibiotics and hormones to the whole body and local application; 2 If the eye injury is serious, there is no possibility of recovery of vision. If there is a possibility of sympathetic ophthalmia, the eyeball should be removed immediately.