{"id":546954,"date":"2026-04-23T19:28:16","date_gmt":"2026-04-23T19:28:16","guid":{"rendered":"https:\/\/www.newsbeep.com\/uk\/546954\/"},"modified":"2026-04-23T19:28:16","modified_gmt":"2026-04-23T19:28:16","slug":"gel-that-costs-pennies-has-restored-sight-to-7-out-of-8-patients-2","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/uk\/546954\/","title":{"rendered":"Gel that costs pennies has restored sight to 7 out of 8 patients"},"content":{"rendered":"

Repeated injections of a clear surgical gel have restored vision in seven of eight people whose eyes had collapsed from chronically low pressure<\/a>.<\/p>\n

The finding reframes a condition long considered untreatable and opens a path back to everyday sight for patients once told little could be done.<\/p>\n

Turning surgical gel into therapy
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The recovery unfolded inside eyes that had lost their normal shape after pressure dropped so low that vision slowly faded.<\/p>\n

By keeping a familiar clear gel inside the eye rather than removing it, clinicians at Moorfields Eye Hospital<\/a> documented the eye regaining its intended size and optical function, as observed by consultant ophthalmologist Mr. Harry Petrushkin.<\/p>\n

Sight returned gradually as repeated injections held the eye open long enough for visual structures to realign and remain stable over time.<\/p>\n

That constraint sets up the central question that follows, whether this restored stability can last and for whom it truly works.<\/p>\n

Importance of eye pressure<\/p>\n

Low pressure lets the eye wall sag inward, and vision blurs as the retina and lens lose alignment. Doctors call the condition hypotony<\/a>, when eye pressure stays too low to hold structure firmly.<\/p>\n

When the eye makes less internal fluid, the front chamber shallows and the back wall can fold.<\/p>\n

Once those folds become permanent, surgeons may not be able to smooth them, even if pressure rises later.<\/p>\n

Surgeons already use hydroxypropyl methylcellulose, a clear gel during eye<\/a> operations, and they usually shorten the name to HPMC.<\/p>\n

During routine procedures, HPMC coats delicate surfaces and keeps tissues from sticking while surgeons work in tight spaces.<\/p>\n

Its transparency matters, because light still passes through it, letting doctors<\/a> check the retina instead of guessing.<\/p>\n

That familiar safety profile gave the team room to try repeated injections without introducing a brand-new substance.<\/p>\n

Doses that re-inflate eyes<\/p>\n

A small series<\/a> followed eight patients for 12 months as clinicians injected HPMC about every 2 to 4 weeks.<\/p>\n

\u201cA bit like if you\u2019re pumping up a ball, you can pump it up to exactly the right size, and then the eye can see much better,\u201d said Petrushkin.<\/p>\n

Once the eye held its size for weeks, doctors paused injections and watched whether pressure stayed steady without another dose.<\/p>\n

Changes patients could feel<\/p>\n

Restoring the eye\u2019s shape changed more than a chart score, because people regained confidence doing normal things again.<\/p>\n

\u201cI\u2019ve been able to take my son skiing,\u201d said Nicki Guy, 47, after treatment improved vision in her left eye.<\/p>\n

By restoring volume, the gel<\/a> held the eye\u2019s walls outward, which reduced distortion and made sight sharper in many cases.<\/p>\n

Even with better sight, patients still needed frequent checkups, and doctors warned that the approach cannot repair a damaged optic nerve.<\/p>\n

Why oil was a problem<\/p>\n

Before HPMC, doctors often filled the eye with silicone oil, a thick liquid used to support fragile retinas.<\/p>\n

Long-term oil can trigger complications<\/a> like high eye pressure and corneal damage, and it can blur the view for doctors.<\/p>\n

\u201cThe advantage of using a gel rather than silicone oil is that you can actually see through it much better,\u201d said Petrushkin.<\/p>\n

That clearer window could help clinicians monitor the retina, spot swelling earlier, and decide sooner whether a patient needs another injection<\/a>.<\/p>\n

Side effects stayed manageable<\/p>\n

The pilot did not look risk-free, but the team tracked side effects closely and acted fast when problems appeared.<\/p>\n

Two eyes had uveitis, inflammation inside the eye\u2019s tissues, and the gel turned cloudy until doctors used steroid drops and shots.<\/p>\n

Two patients briefly lost vision after an injection, and doctors reversed it with paracentesis, a small needle release of excess fluid.<\/p>\n

Those events resolved, but the study remained small, and larger trials will need to watch for rarer harms.<\/p>\n

Who this could help<\/p>\n

Doctors targeted people whose eyes still had usable vision, because a collapsed eye cannot reveal sight that is gone.<\/p>\n

A national estimate<\/a> puts new cases near 100 a year in the United Kingdom, so recruiting remains hard.<\/p>\n

The team looked for low pressure lasting more than 3 months, plus a clear cornea and a clear path for light.<\/p>\n

If disease has already destroyed the optic nerve, adding volume will not help, even if the eye regains shape.<\/p>\n

More eye pressure gel testing<\/p>\n

The next challenge is proving the approach works beyond a small pilot, and finding a schedule people can live with.<\/p>\n

Researchers plan to compare gels and track how long each keeps the eye firm without frequent top-ups.<\/p>\n

Because HPMC already sits in operating rooms, clinics could adopt the method faster if trials confirm lasting results.<\/p>\n

Until that happens, specialists will need to judge each case carefully, and patients will still face repeat injections.<\/p>\n

The gel worked by replacing lost volume and pressure, letting some eyes return to a shape that supports focus.<\/p>\n

Larger trials must confirm safety and durability, but the idea already turns a once-stalled problem into something doctors can adjust.<\/p>\n

The study is published in the British Journal of Ophthalmology<\/a>.<\/p>\n

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