Cataract Surgery FAQ - Eye Health
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Cataract Surgery FAQ - Eye Health

Published on Jun 02, 2018 and last reviewed on Oct 06, 2022   -  5 min read

Abstract

Cataract, a disease of aging, is the most commonly performed non-emergency daycare surgery globally. In this article, I have answered commonly asked questions from cataract patients.

Cataract Surgery FAQ - Eye Health

How Do I Know That I Have Developed a Cataract?

Almost everyone over the age of 40 to 45 will have a cataract in their eye. It is nothing but an age-related conversion of the soluble lens proteins in our eyes to insoluble proteins. But the problem begins when cataracts become dense enough to hamper vision, at which stage you may need surgery for your cataract.

Symptoms related to cataracts are diminution of vision (which will not improve even on changing your glasses), floaters (sensation of a floating object in front of your eyes), colored halos around lights, polyopia (seeing multiple images of a single object), and excessive sensation of brightness compared to others while looking at lights.

What Causes Cataracts?

Cataracts in 90 % of patients are age-related, but you can get cataracts due to injury to the eye, certain diseases such as Wilson's disease, muscular dystrophy, retinitis pigmentosa, diabetes mellitus, atopic dermatitis, etc. You can develop cataracts from certain medications like steroids and also have cataracts since birth (congenital cataract).

Can Cataracts Be Cured or Prevented From Maturing by Using Drops? Can Glasses Help in Case of Diminution of Vision Due to Cataract?

At present, there are no non-surgical measures to cure cataract progression or help with the diminution of vision in cataracts. There are also no proven measures to slow down the progression of cataracts. Glasses and drops will not work. Surgery is the only option available.

I Am Having Difficulty Seeing Things Far Away and Nearby. How to Tell if It Is a Cataract or Just Myopia Which Can Be Cured With Glasses?

The simplest thing is a pin-hole test. You can take a piece of paper, poke a hole in it using a pen tip and hold it close to each eye and look through the hole. If in case you do see things clearly through the hole, it means you have a refractive error (for example, myopia), and if you do not see better through the hole, then you have a cataract.

Of course, the best way to find out if you have cataracts is through a slit-lamp examination in dilated pupils carried out by the eye specialist.

My Doctor Has Asked Me to Wait Till the Cataract Matures and Only Then Go Ahead With the Surgery. Can Cataracts Simply Not Go Away if I Wait?

Cataracts will not go away unless surgically treated. If left untreated for prolonged periods, it can cause conditions like phacolytic/phacoanaphylactic glaucoma, which may cause the patient to lose their vision permanently.

The current standard of care in cataract surgery is “phacoemulsification.” In this surgery, a high-precision ultrasound probe is inserted into the eye to cut the cataract and remove it from your eye. The ultrasound energy used to remove harder, more mature cataracts are much more than those used for early cataracts. Also, the less energy we use during the surgery, the sooner the patient can see better after surgery. So, it is imperative that surgery is done at the right time and it is not postponed for prolonged periods.

What Can I Expect When I Visit the Doctor in Case I Have a Cataract?

The eye doctor will take a history and do an examination on a slit-lamp, and they will look into the nerve of your eye.

If you have a cataract and have a healthy retina, the doctor will expect a good vision post-surgery and take you up for surgery. If in case they find problems in your eye or expect poor vision potential after surgery, they may defer surgery or explain to you the pros and cons of surgery and let you decide.

After the decision for operating has been made, you will have to undergo “biometry.” This determines the power of the intraocular lens, which will be put into your eye after the cataract has been removed during surgery.

After this, you may be asked to choose a lens type to be inserted in your eye and book the surgery date.

My Doctor Has Offered Me Several Types of Lenses. Which One Should I Choose?

In most hospitals, there are package deals regarding lenses. In case you want to decide by yourself, ask the doctor or counselor to give you the details of lenses in each package and choose the lens which has UV absorbing/yellow coating, has zero or negative asphericity, square edge optics, and a hydrophobic lens. There are practically no differences between locally manufactured and imported lenses.

There are also multifocal lenses and toric lenses.

My Doctor Said That I Have a Cataract and Need Surgery. How Much Time Do I Have to Get the Surgery Done? Until When Can I Postpone the Surgery?

As previously stated, cataracts will not get cured by themselves or go away with time. You have to undergo surgery now or later, and the visual outcomes are better if you get it done sooner than later. But cataract surgery is always an elective procedure, and no doctor can force it on you to get the surgery done unless you have very advanced or complicated cataracts.

It is very hard to accurately predict how long you will safely be able to wait as the cataract matures at different rates in different people. No one will be able to say for sure.

How Much Time off Work Should I Take for Surgery? How Long Will I Be Hospitalized and Be Unable to Work?

Cataract surgery is a daycare surgery, meaning that you will not be hospitalized. You come on the day of your surgery. The surgery takes around 45 minutes in most centers, and then you can go home. You will be asked to regularly follow up with the doctor to monitor your condition after surgery.

In most centers, they may ask you to take around four days off, one day for the surgery and another three days for the healing. From then, you can start with your routine work. Of course, you will have to put in your postoperative eye drops.

What Care Should I Take After Surgery?

Each center has slightly different rules, but most of them ask you not to wash your hair with water for around five days, use your postoperative medicines regularly as instructed, wear dark goggles after surgery (three days indoors and outdoors and for up to a week outdoors), avoid eye rubbing, strenuous work and lifting weights. Follow up regularly.

If you have any problems, you can ring up the doctors and ask them. If having pain or diminished vision, kindly visit the doctor in person without delay.

Can Cataracts Grow Back Again After Surgery? How Long Do the Lenses That You Put In After Surgery Last? For How Long Will the Vision After Cataract Surgery Last?

In around 33 % of cases, there will be the formation of “after-cataract,” which is the formation of a membrane of leftover lens cells after surgery. The lens inserted after surgery will be within the patient’s eye throughout life, but there may be after-cataract formation over the lens. This will need cleaning with a laser. Usually, this problem does not happen in all the patients and generally happens several months after surgery.

Frequently Asked Questions


1.

How to Maintain Eye Health After Cataract Surgery?

After cataract surgery, it is necessary to follow a few things to maintain eye health, which include:
- Use eye drops as mentioned by doctors.
- Use an eyeshield even at night for at least a week.
- Use painkillers if required.
- Wear an eyeshield while taking a shower.
- Avoid swimming for at least six weeks.
- Do not do strenuous exercise.
- Do not rub the eyes.
 -Avoid driving.

2.

How Should Wear an Eyeshield After Cataract Surgery?

After cataract surgery, a protective shield for the eye will be provided to be worn during sleep for at least two weeks after the cataract surgery. This protective shield will help avoid accidental eye injuries and rubbing the eyes while in the recovery phase.

3.

What Are Not Allowed to Do After Cataract Surgery?

Following cataract surgery, doctors may restrict some activities, which include:
- Avoid rubbing the eyes.
- Avoid eye makeup for at least a month.
- Be cautious not to let soap or shampoo into the eyes.
- Avoid heavy weight lifting and strenuous exercises.
- Do not drive without a doctor's permission.

4.

What Problem Usually Arises After Cataract Surgery?

Most people do not feel any issues after cataract surgery, while few others with medical issues or eye problems can have complications like retinal detachment, infection, inflammation, fluid build-up in the retina, lens fragments, secondary cataract, dislocation of intraocular lens, bleeding, swelling of the cornea, high eye pressure, and light sensitivity.

5.

How to Clean Eyelids After Cataract Surgery?

Cleaning the eyelid can be done whenever required with boiled and cooled-down water. Using clean hands, dip a cotton bud or tissue in the water and wipe the eyelashes gently from the inner corner of the eye to the outside. Repeat the procedure to remove all sticky deposits on the eyes.

6.

Is It Possible to Rub the Eyes After Cataract Surgery?

Rubbing the eyes or putting pressure on the eyes should be avoided for four to six weeks after cataract surgery or until recovery. Because it can cause harm to the eyes while healing and lead to a negative impact on vision. Also, if the hands are not clean, it can lead to infection.

7.

Why Are Sunglasses Important After Cataract Surgery?

Sunglasses can make a major difference while healing after cataract surgery. It helps protect the eyes from irritants and harmful UV rays. It prevents acute sun sensitivity and maintains eye health. So, wearing sunglasses for the first year after cataract surgery is necessary.

8.

Can One Wear Old Glasses After Cataract Surgery?

Protective glasses are recommended after cataract surgery. However, wearing old glasses will not harm the eyes. It can be used for reading and up-close activities. Most people have significant vision changes after surgery, so doctors will prescribe new glasses.

9.

Is Coffee Allowed After Cataract Surgery?

A study reports that cataract blindness is significantly lower in people consuming higher amounts of coffee compared to those with lower coffee intake. The effect of caffeine can be multifactorial, involving its antioxidant and bioenergetic effects on the lens.

10.

How Common Are Issues Arising From Cataract Surgery?

A study reveals that around 99.5 percent of people who underwent cataract surgery had no serious complications after their surgery. Other people may have complications like discomfort, increased intraocular pressure, swelling and bruising of the eyelid, and allergic reactions to the steroid or antibiotic drop.

11.

Is It Necessary to Wear Sunglasses Indoors After Cataract Surgery?

It is not necessary to wear sunglasses indoors, but it is mandatory to wear sunglasses on bright days outdoors for at least one year after surgery to protect the eyes from harmful ultraviolet rays. Also, people will be light-sensitive soon after the surgery.

12.

How To Recover Fast After Cataract Surgery?

The recovery period differs for all individuals. However, it will be between four and six weeks or longer for a few people. By following a few tips, recovery can be smooth and fast.
- Do not touch the eyes.
- Avoid irritants.
- Take good care and rest.
- Wear sunglasses.
- Catch up on all appointments.

13.

What Type of Sunglasses Is Necessary After Cataract Surgery?

After cataract surgery, it is ideal to use sunglasses with at least UV 400 protection, as they can filter 100 percent of UV rays and provide high-level protection to the eyes. Also, prefer sunglasses with polarized lenses to reduce glare and provide clear vision.

Last reviewed at:
06 Oct 2022  -  5 min read

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Query: Hello doctor, My 68-year-old mother has cataracts in her both eyes. She is advised to have a cataract surgery in her right eye. But her blood sugar level is 150 mg/dL at fasting and 190 mg/dL postprandial. Her HbA1c is 8.8%. We are confused whether cataract operation can be undertaken with this suga...  Read Full »

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