Cataract Surgery is surgery to remove the cloudy eye lens. To insert replacement intraocular lenses The patient can see more clearly from vision problems, blurred vision, blurred vision, or allergic to glare of cataract. There are several cataract surgery methods.
joker But the standard method of treatment in a hospital or surgical center is surgery known as Phacoemulsification (Phacoemulsification) by using high frequency sound waves. Or ultrasound (Ultrasound) to dissolve cataracts into a small size before being sucked out. Then an Intraocular Lens (IOL) lens is inserted to replace the cataract surgery. This will result in a very small incision. And does not require stitches to close the wound
When do I have to undergo cataract surgery? Surgery can help treat the symptoms of cataract that cause vision problems. But it is not necessary to undergo surgery as soon as the doctor discovers it. Especially in those who still have normal eyesight No vision problems However, doctors will usually recommend surgery if the condition affects daily life, work or interferes with the treatment of other visual disorders such as macular degeneration or diabetic retinopathy. Making it difficult for a doctor's diagnosis
However, there is no rule of thumb as to what level of vision should be treated by surgery. Surgery is therefore largely dependent on the patient's decision. Or you can consider the following questions before choosing to have surgery.
Can you see clearly while working or driving?
Do you have trouble reading or watching television?
Do you have difficulty doing everyday activities such as cooking, shopping, gardening, taking medicine?
Do eye problems affect living alone?
Are the eyes allergic to bright light or is it difficult to see in the high light?
Prohibition of cataract surgery
Surgery is quite effective and safe. However, it may be contraindicated for patients who are physically unable to undergo surgery in some cases, such as certain chronic diseases that may require consideration of the severity of the underlying disease. Certain medical conditions Surgery doesn't correct visual problems. As well as the willingness of the patient to operate Which has to take into account the risk of visual loss mainly
Procedures for cataract surgery
Initially, the doctor will instill anesthetic or anesthesia around the eyes. Some people may give pain relievers or drugs to help the person relax more during the surgery. Therefore making the person undergoing surgery feel conscious all the time See movement Or light during surgery
The doctor will then increment the cornea into a very small opening for the medical device. Before emitting high frequency sound waves to dissolve the cataract and then suck it out Before wearing the artificial intraocular lens (Artificial cornea) to replace the original intraocular lens clouding.
After the surgery is over The doctor will have the person undergoing surgery to wear a protective eye shield. And stay in the room for about 15-30 minutes, so you can go home as usual. If the operative has both sides of the cataract, the surgery will be done one by one. This may leave the time of each surgery 2-3 weeks apart in order to wait for the surgery eye to recover first.
Preparation before cataract surgery
The doctor may have additional special tests a week before surgery, such as ultrasound to look at the curvature of the lens of the eye. Eye size and shape To assist in planning the selection of artificial intraocular lenses that are more suitable for the surgical patient. Including general advice on how to act before surgery as follows Do not eat or drink 6 hours before the surgery.
Stop eating or taking certain drugs before surgery. In which the doctor will recommend the type of medication This is because certain drugs can increase the risk of bleeding even more during surgery. Including informing the doctor in advance if drugs are used to treat prostate cancer This is because medication can affect surgery too.
Your doctor may prescribe antibiotic eye drops 1-2 days in advance of surgery to reduce the chances of infection and swelling during surgery.
People who have surgery should be cared for after the surgery is finished. Because some daily life can affect the recovery of the eyes such as driving, handling things.
Care after cataract surgery
Vision may not be clear in the first week after surgery. But symptoms will improve within a few days as the eyes begin to adjust. And will be able to see almost normal images after 8 weeks. Your doctor may prescribe eye drops or other medications to help reduce side effects after surgery. Including advice on how to act To help improve symptoms quickly, for example
The goggles should be worn at all times during the postoperative period. Or until your doctor advises you to remove it
Be careful not to let your eyes get into the water. And don't rub your eyes
Use eye drops or take medications as directed by your doctor.
Avoid doing physical activity or exercise that will affect your eyes Which will be advised by the doctor, such as doing housework, bowing down to pick up or lifting heavy objects
When the surgery has passed for a while The doctor will have a patient appointment. To follow up after treatment periodically And when the patient recovers The symptoms improve until vision is almost normal for 1-3 months after surgery. Your doctor will recommend wearing glasses to help stabilize your eyesight. If there is cataract surgery on both sides, the doctor will immediately schedule cataract surgery on the other eye when the first eye that is cut back to normal.
However, you should return to your doctor immediately if you experience any visual abnormalities during rehabilitation, as follows:
Blurred or invisible vision
Have eyestrain all the time, very red eyes
Seeing flickering light or black dots
Side effects of cataract surgery
Cataract surgery is very safe. And have few side effects However, side effects can occur, such as an eye infection. Inflamed and swollen eyes, redness, bleeding, retinal detachment, eye pain from intraocular pressure, falling eyelids, tears and extreme eye irritation. Loss of vision in some cases Or it may develop into glaucoma
If the person underwent surgery has an eye disease such as glaucoma, macular degeneration The higher the risk of surgical complications or may not help the patient return to normal vision, the risk should be assessed and treated for any existing visual ailments prior to surgery. Cataract and under the supervision of an ophthalmologist
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