Having astigmatism: definition, symptoms and correction
Key points Having astigmatism means having an eye whose cornea, and sometimes the lens, is not perfectly spherical:…
“Restoring sight to the blind”: what Neuralink’s Blindsight implant can actually do
“Restoring sight to the blind”: what Neuralink’s Blindsight implant can actually do Elon Musk has announced that Neuralink…
Mydriasis and miosis: why a pupil dilates or constricts
Mydriasis and miosis: why a pupil dilates or constricts Mydriasis refers to an abnormally dilated pupil, miosis to…
Eye anatomy: understanding how your vision works
Key points The eye works like a sophisticated camera: an optical system at the front focuses the light,…
Getting a second opinion before eye surgery: when, why and how
Getting a second opinion before eye surgery: when, why and how You have been offered eye surgery and…
Susvimo: an implant replaces injections in wet AMD, but it does not make you see better
The European medicines committee issued a positive opinion on Susvimo on 24 July 2026 — a reservoir implanted in the eye that releases ranibizumab continuously and brings injections down to two refills a year. What the comparison with monthly injections really shows about vision, and the price paid in ocular complications.
PRIMA implant: a chip under the retina restores reading in AMD, but not sight
On 22 July 2026, Science Corporation announced CE marking for PRIMA, a 2-millimetre chip implanted beneath the retina that allows patients with advanced dry AMD to read letters again. The PRIMAvera trial, published in the New England Journal of Medicine, reports a clinically meaningful improvement in 26 of 32 patients at twelve months. The widely quoted figure of 25 letters comes from the manufacturer press release and describes only the patients who responded.
Eye drop shortage in France: what is missing and why
On 23 July 2026, France’s medicines agency listed eleven eye drops under supply pressure, led by fluorescein and Mydriaticum. Dr Tourabaly explains what these drops are used for, why single-dose vials run short first, and what to do as a patient.
Retinal transplant: a blind woman regains her sight, and what this world first really changes
An autograft of the macula and anterior segment, from one eye to the other, has restored partial vision to an Italian patient. What was actually transplanted, and why the technique cannot be transposed to AMD.
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