Reviewed By: Dr. Paul M. Griffey
Cataracts are the world’s leading cause of reversible blindness, yet millions of people live with deteriorating vision for years without realising a simple, safe surgery could restore it. In the United States alone, more than 24 million people aged 40 and older are affected, and by the time Americans reach age 75, approximately half will have developed a cataract in at least one eye. Globally, cataracts account for 51% of all blindness, affecting an estimated 65 million people worldwide.
Despite how common they are, cataracts develop so gradually that many patients don’t notice how much their vision has declined until a moment forces them to act.
This guide explains what cataracts are, what to look for, and the full range of treatment options available. so you can make confident, informed decisions about your eye health before vision loss affects your independence.
Real examples: what patients experience
Because cataracts develop so gradually, many patients don’t realise how severely their vision has been affected until a specific moment brings it into focus. Here is one patient’s experience.
Dottie noticed changes in her vision when she found herself constantly cleaning her glasses, “I thought there was something wrong with the glasses but later found out that it was the cataract.”
Dottie’s changes in her vision were gradual, and she didn’t realize how badly the cataract had affected her vision. “It gradually comes on, and you don’t realize the change in your vision.”
It wasn’t until a trip to the grocery store that she realized it was time to do something about her cataract. “On the way home, it was getting dark, and as I was looking for the white line in the road, it wasn’t there, and that scared me,” adds Dottie.
Table of Contents
What is a Cataract?
A cataract forms when the natural lens inside the eye which is normally clear becomes cloudy. This cloudiness scatters incoming light, making it harder for the eye to focus properly.
“A cataract is when the lens inside the eye becomes cloudy, and you have difficulty seeing through the cloudy lens,” explains Dr. Paul Griffey, an ophthalmologist with Griffey Eye Care & Laser Center.
Most cataracts develop slowly due to natural aging, but they can also result from injury, certain medications, or other eye conditions.
Types of Cataracts
Cataracts can form in various ways, including:
- Traumatic cataracts: These result from eye injuries. The treatment process can be complex as it may involve repairing surrounding lens structures.
- Secondary cataracts: Also known as posterior capsular opacification, hazy areas appear on your lens capsule or the membrane enveloping your lens. This condition is a common but easily treatable aftereffect of cataract surgery.
- Age-related (nuclear) cataracts: The most common type. The lens gradually hardens and yellows over time, blurring central vision and making colors appear dull or faded.
- Congenital cataracts: Present at birth or developing in early childhood. Early detection and treatment are critical to prevent lasting vision impairment in children.
Cataract Signs and Symptoms
Cataract symptoms often develop gradually, making early detection difficult. Below is a detailed look at the most common signs to watch for.
Cloudy or blurry vision: Everything looks hazy or out of focus, as if viewing through a smeared or fogged-up lens. This is typically the first and most noticeable symptom, affecting both near and distant objects. Cleaning your glasses won’t help, the blur originates inside the eye.
Sensitivity to light and glare: Bright sunlight, indoor lamps, and oncoming headlights feel intensely harsh or blinding. The cloudy lens scatters light abnormally, creating uncomfortable glare and halos around light sources, especially problematic when driving at night.
Difficulty seeing at night: Reduced contrast sensitivity makes low-light environments far more difficult to navigate. Colors lose distinction, and depth perception suffers. Many people first recognize their cataract when they struggle to see road markings or signs after dark.
Difficulty reading small print: Fine text becomes hard to make out even with the correct prescription. The lens’s cloudiness interferes with the eye’s ability to resolve detail, so you may need significantly brighter lighting or larger font sizes than before.
Double vision or “ghosting”: A single object may appear doubled or surrounded by a faint ghost image within the affected eye. This occurs because the uneven clouding of the lens bends incoming light at multiple angles simultaneously.
Faded or yellowed colors: Colors may look dull, washed-out, or tinted yellow and brown as the lens discolors with age. Whites appear cream-colored. This symptom is often only fully appreciated after surgery, when patients are amazed by how vivid colors become.
Frequent prescription changes: Needing new glasses or contacts more often than usual, every few months can be a sign of a developing cataract. As the lens changes, so does its refractive power, shifting your prescription repeatedly. This is sometimes called “second sight” when it temporarily improves near vision.
According to Dr. Griffey, cataracts are something everyone will get eventually. Typically, surgery is needed between the ages of 65 and 75, but it can happen sooner if cataract symptoms interfere with someone’s daily life.
Who is At Risk of Developing Cataracts?
Several factors can increase your chances of developing cataracts or speed up their progression. Aging is the single strongest predictor, most people develop some degree of lens clouding after age 60 but lifestyle, medical history, and environment all play a role.
| Risk factor | Impact level | What you can do |
| Aging (over 60) | High | Regular annual eye exams to track progression early |
| UV light exposure | High | Wear UV-blocking sunglasses and a wide-brimmed hat outdoors |
| Smoking | High | Quitting smoking reduces cataract risk significantly |
| Diabetes | High | Tight blood sugar management slows lens changes |
| Long-term steroid use | Moderate | Discuss alternatives or lowest effective dose with your doctor |
| Family history | Moderate | Inform your ophthalmologist; begin screening earlier |
| Poor nutrition | Lower | Diet rich in vitamins C, E, and antioxidants may help |
Cataract Treatment
Cataract symptoms and treatment go hand in hand. By performing early detection by spotting the symptoms early, you can make better treatment decisions.
Cataract surgery is a quick and easy procedure with a short recovery time. It is done on an outpatient basis, which means patients go home the same day of the surgery. Most patients notice an immediate improvement in their vision.
“During cataract surgery, we physically remove the cloudy lens and replace it with an artificial lens implant,” explains Dr. Griffey. “The lens implants have prescription power built in them. It’s like having your glasses built into your eye.”
“The surgery was over in no time flat. It was remarkable,” says Dottie. “I didn’t have any pain, and I was really surprised. Two weeks later, I had the other cataract removed, and when I did, my vision was amazing! You can’t believe the difference of what you’re not seeing. It was fantastic!”
More About Traditional Cataract Surgery and Laser Cataract Surgery
Non-surgical management
These approaches do not remove the cataract but can help manage symptoms in the early stages:
- Updated eyeglass or contact lens prescription to compensate for refractive changes
- Anti-glare or polarized lenses to reduce light sensitivity while outdoors or driving
- Magnifying lenses for reading fine print comfortably
- Improved home lighting — brighter, directed light for reading and close work
- Avoid night driving until surgery is performed
- Using large-print books, high-contrast screens, and accessibility features on devices
Surgical treatment
Traditional cataract surgery (phacoemulsification)
The most widely performed eye surgery in the world. The surgeon manually creates a small incision using a blade, then uses ultrasound energy to break up and remove the cloudy lens. An artificial intraocular lens (IOL) with built-in prescription power is implanted. The procedure typically takes under 30 minutes on an outpatient basis.
- Covered by most insurance plans (co-pays and deductibles apply)
- Most patients notice immediate improvement in vision within 24–48 hours
- Full healing typically takes 4–6 weeks
- Eyes are usually operated on separately, a few weeks apart
- Prescription eye drops required for several weeks post-surgery
Laser cataract surgery (LenSx laser system)
Uses advanced femtosecond laser technology, guided by computer control to perform key steps with blade-free precision. This can improve accuracy when creating the incision and breaking up the lens.
- Same outpatient procedure and recovery as traditional surgery
- Well-suited for patients with astigmatism or complex prescriptions
- Computer-guided precision reduces variability in incision placement
- Involves additional out-of-pocket costs not covered by standard insurance
- Financing options are typically available
Lens Implant (IOL) Options: Choosing the Right Intraocular Lens
When the cloudy natural lens is removed during cataract surgery, it must be replaced with an artificial intraocular lens (IOL). This isn’t just a functional requirement; it’s also an opportunity. Modern IOL technology has advanced significantly, meaning many patients can reduce or even eliminate their dependence on glasses after surgery, depending on the lens they choose.
Choosing the right IOL is one of the most important decisions in cataract surgery, and it’s worth discussing thoroughly with your surgeon before your procedure. The best lens for you will depend on your vision goals, lifestyle, and budget.
- Monofocal IOL — Corrects vision at one fixed distance, usually set for distance vision. Reading glasses are still needed for close work. This is the standard option and is covered by most insurance plans.
- Toric IOL — Designed to correct astigmatism in addition to cataracts. It reduces dependence on glasses for distance vision in patients with corneal astigmatism. May involve additional out-of-pocket cost.
- Multifocal / EDOF IOL — Premium lenses that provide good vision at multiple distances, near, intermediate, and far, significantly reducing or eliminating the need for glasses altogether. These come at a higher out-of-pocket cost and are not covered by standard insurance.
There is no single “best” IOL, only the one that best fits your vision needs and daily life. Your ophthalmologist will walk you through which options are suitable based on your eye health and what matters most to you.
What Questions Should I Ask My Doctor?
Some questions you may want to ask your doctor include:
- What are the early signs of cataracts?
- How often should I get my eyes checked to track cataract progression?
- What lifestyle changes can I make to slow cataract development?
- What are the potential risks and benefits of cataract surgery?
- What kind of lens implant will be used during my surgery?
- How long is the recovery period post-surgery?
- Are there any restrictions on activities I need to follow after the surgery?
- How will cataract surgery affect my other eye conditions, if I have any?
- What is the cost of traditional versus laser cataract surgery?
- Are there financing options available for laser cataract surgery?
A Note From Griffey Eye Center
For more information or to make an appointment at Griffey Eye Care and Laser Center, call 757-776-0416 today!
**Please note that the suggestions provided in this blog are for general informational purposes only and may not be suitable for your specific insurance plan and cataract needs. It is important to consult a qualified healthcare professional for personalized advice and treatment.
Frequently Asked Questions
What are the earliest warning signs of a cataract?
The earliest signs are often subtle: slightly blurry or hazy vision, needing more light to read comfortably, or noticing that colors seem less vivid than they used to. Some people notice they need a new glasses prescription more frequently than before. If you experience any of these, schedule a comprehensive eye exam.
Can cataracts come back after surgery?
The artificial lens implant itself cannot develop a cataract. However, a secondary cataract (posterior capsular opacification) can develop in some patients months or years after surgery, causing blurry vision to return. This is treated quickly and painlessly with a laser procedure called a YAG capsulotomy, which takes only a few minutes in-office. To learn more, read our blog for an in-depth answer.
Will I still need glasses after cataract surgery?
This depends on the type of lens implant chosen. Standard monofocal lenses correct vision at one distance (usually distance), so reading glasses are typically still needed. Premium multifocal or EDOF IOLs can significantly reduce or eliminate the need for glasses at multiple distances, though at additional out-of-pocket cost.
How long does cataract surgery take, and what is recovery like?
The procedure typically takes 15–30 minutes per eye. Most patients notice improved vision within 24–48 hours, though full recovery takes 4–6 weeks. Eyes are usually operated on separately, a few weeks apart. You will use prescription eye drops for several weeks and should avoid strenuous activity, swimming, and rubbing your eyes during recovery.
Is cataract surgery safe?
Cataract surgery is one of the most commonly performed and safest surgical procedures in medicine, with a success rate exceeding 95%. As with any surgery, there are small risks including infection, bleeding, or retinal detachment, but these are rare. Your surgeon will discuss your individual risk profile before the procedure.
Can I have both eyes treated at the same time?
In most cases, surgeons prefer to operate on one eye at a time, with a gap of 1–4 weeks between procedures. This approach allows the first eye to begin healing and lets your surgeon verify outcomes before proceeding. In rare circumstances, same-day bilateral surgery may be considered, but it is not standard practice.
