Cross-linking for keratoconus (CXL): who it helps and how it works
Cross-linking for keratoconus (CXL): who it helps and how it works Corneal cross-linking, or CXL, is a treatment…
What is keratoconus? Definition, causes and progression
What is keratoconus? Definition, causes and progression Keratoconus is a progressive deformation of the cornea, which gradually thins…
Diplopia: when and why you see double
Key points Diplopia is the medical term for double vision: one and the same object is perceived as…
“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 announced in March 2025…
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 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.
Keratitis: causes, symptoms and treatment of corneal inflammation
Key points Keratitis is inflammation of the cornea, the transparent membrane at the front of the eye, in…
Blue-light glasses: are they really worth it?
Blue-light glasses: are they really worth it? Blue-light-filtering lenses are marketed as protection against screen-related eye strain, retinal…
Eye floaters: should you worry about these floating spots?
Those threads and specks drifting across your field of vision are most often harmless. When they may signal a retinal emergency and when to seek care without delay.
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