Visit Dr. Laavanyaa at either of her consulting hospitals in Chennai. Call directly to confirm timing and availability.
Topical (no-needle) phacoemulsification — understanding the procedure, intraocular lens options, and post-operative care.
The human lens inside the eye is normally crystal-clear. Light passes through it and focuses precisely on the retina, giving sharp vision. A cataract is a clouding or opacity that develops within this natural lens over time.
As the cataract progresses, the lens becomes increasingly opaque, scattering and blocking light so it can no longer focus clearly on the retina. The result is progressively blurred, dimmed, or glare-affected vision.
Good news: Cataract is one of the most treatable causes of blindness. Surgery is safe, quick (10–15 minutes), and the results are excellent when performed at the right time.
Phacoemulsification (phaco) is the gold-standard technique for modern cataract surgery. The cataract is broken up by ultrasound energy through a tiny self-sealing incision (~2.2 mm) and aspirated out, after which an artificial lens (IOL) is folded and inserted through the same incision.
Topical anaesthesia means that only anaesthetic eye drops are instilled into the eye before surgery. There is absolutely no needle injection around or behind the eye. The patient remains awake, comfortable, and cooperative throughout the procedure.
| Feature | Topical (drops only) | Needle injection |
|---|---|---|
| Pain from anaesthesia | None — just drops in the eye | Needle prick around the eye |
| Risk of needle injury | None | Small but real |
| Eye patch after surgery | Usually not needed | Often required |
| Vision recovery | Often same day or next day | 24–48 hrs minimum |
| Patient cooperation | Awake and comfortable | May feel pressure/anxiety |
Key advantage: With topical phacoemulsification, many patients are surprised to find they can see clearly within hours of surgery and need no eye patch at all.
After the cataractous lens is removed, it must be replaced by an artificial intraocular lens (IOL). Choosing the right IOL is one of the most important decisions in cataract surgery — it determines your vision quality for the rest of your life.
| IOL Type | Far Vision | Intermediate | Near Vision | Astigmatism Fix | Reading Glasses |
|---|---|---|---|---|---|
| Monofocal | ✓ Excellent | — | — | — | Yes, always |
| Toric | ✓ Excellent | — | — | ✓ Yes | Yes, for near |
| Multifocal | ✓ Good | ✓ Good | ✓ Good | Toric variant | Usually not |
| EDOF | ✓ Excellent | ✓ Excellent | Partial | Toric variant | Rarely, for fine print |
Corrects vision at one distance — typically distance (far) vision. You will still need reading glasses for near tasks. Most reliable, proven technology, most cost-effective option. Ideal for patients who are comfortable with glasses for reading.
A monofocal lens with a built-in astigmatism correction. Patients with significant corneal astigmatism who want to reduce dependence on distance glasses benefit most from this lens. Reading glasses are still required.
Uses concentric zones of different focal powers to provide vision at near, intermediate, and far. Many patients achieve spectacle-independence for most tasks. Best suited for motivated patients willing to adapt to the optics. Some patients notice halos around lights at night — this usually fades within weeks to months.
Rather than creating separate near/far zones, EDOF lenses extend the range of clear focus smoothly from far to intermediate. Fewer halos than multifocal, with excellent distance and computer vision. Most patients still need glasses for very fine near print (reading small text).
Dr. Laavanyaa's approach: The best IOL depends on your lifestyle, job, hobbies, and eye measurements. During your pre-operative assessment, she will discuss your daily visual needs and recommend the most suitable lens for you personally.
| Drop Type | Frequency | Duration | Purpose |
|---|---|---|---|
| Antibiotic | 4 times/day | 2 weeks | Prevent infection |
| Steroid | 4 times/day → taper | 4–6 weeks | Reduce inflammation |
| NSAID | 3–4 times/day | 4 weeks | Reduce inflammation & pain |
| Lubricant | 4–6 times/day | 3–6 months | Comfort & surface healing |
Seek urgent review if you notice: sudden pain, sudden decrease in vision, redness increasing after Day 3, flashes of light, or floating objects in vision after surgery.
If a monofocal IOL is used (which corrects only one distance), you will need reading glasses for near tasks. This is expected and normal — not a surgical failure.
Your spectacle prescription stabilises over 4–6 weeks after surgery. Do not get reading glasses before the 4–6 week review, as the power may still be settling.
With multifocal or EDOF IOLs, most patients can read, use computers, and see at distance without glasses. Some may still need glasses for very fine print or in low light.
Using reading glasses after a monofocal IOL is not a problem — many patients are delighted to have excellent distance vision (for driving, watching TV, outdoors) and simply wear glasses to read, just as they do for everyday life.
Schematic cross-section
Normal vs. cataractous lens
IOL types
Book an appointment with Dr. Laavanyaa at SRM Prime Hospital or P&G Multispeciality Hospital, Chennai.