Cataract surgery: the myths that keep people waiting years too long

Cataract surgery is the most performed operation in the world, and it is still surrounded by advice that was last accurate in about 1975. These myths have a real cost: patients arrive having lost years of good vision and, in older people, having taken avoidable falls.

'You have to wait until it is ripe' — MYTH

This dates from an era of very different surgery. Today, an operation done earlier is technically easier and safer, because a dense, hardened lens requires more ultrasound energy to remove. The modern criterion is symptoms, not appearance: if your vision interferes with driving, reading or your work, that is the indication.

'Cataracts can grow back' — MYTH

The lens is removed and cannot re-form. What around one in five patients develops is *posterior capsule opacification*, a hazing of the thin membrane behind the implant. It is corrected with a painless two-minute YAG laser capsulotomy in the clinic, and it does not recur.

'It is done under general anaesthetic' — MYTH

It is a day-case procedure under anaesthetic drops, typically 10–20 minutes, and you walk out. Sedation is available for anxious patients. General anaesthetic is now reserved for exceptional circumstances.

'They inject a needle into your eye' — MOSTLY MYTH

The overwhelming majority of cataract surgery is performed with drops alone. A small local injection is occasionally used in complex cases and is itself painless once the surface is numbed.

'Laser cataract surgery is much better' — BLUFF

Femtosecond laser-assisted cataract surgery is a genuine technology, but large randomised trials have not shown superior visual outcomes over standard phacoemulsification in routine cases. Where it is sold at a substantial premium as automatically superior, that is marketing ahead of evidence.

'Both eyes cannot be done together' — PART MYTH

Standard UK practice separates the eyes by one to four weeks, which allows the first result to inform the second lens calculation. Same-day bilateral surgery is performed in selected cases. Neither is universally right.

'Recovery takes months' — MYTH

Useful vision usually returns within 24–48 hours. Most patients return to desk work within a few days and drive within a week once the vision standard is met. Full stabilisation takes four to six weeks. Our day-by-day recovery guide sets out the detail.

'Cataract surgery is just a basic NHS procedure' — BLUFF

The operation to remove the cataract may be similar; what varies enormously is the lens implanted, the precision of the biometry, and the refractive planning. A standard monofocal corrects distance only. Premium implants can also deliver intermediate and reading vision — a choice most patients only get in the private sector.

'Waiting is harmless' — DANGEROUSLY WRONG

Untreated cataract is associated with an increased risk of falls and hip fracture in older adults, loss of driving independence and reduced quality of life. The lens also hardens with time, making eventual surgery more demanding.

Where to go from here

If any of this sounds like your own experience, the sensible next step is a full diagnostic assessment with a consultant — not a sales appointment. Ms Tahmina Pearsall is a UK-trained NHS Consultant Ophthalmic Surgeon with more than 40,000 procedures behind her, and she personally performs every operation she plans. You can see current fixed prices, read verified patient reviews or book a consultation at any of the UK clinic locations.

This article is general information written by a consultant ophthalmic surgeon. It is not a substitute for a personal examination and individual medical advice.