Ophthalmische Linse mit Erhöhter Widerstandsfähigkeit gegen Warme und Feuchte Umgebungen

Details

Veröffentlichungs-Nr.

EP3287818

Aktenzeichen

EP16306076

Anmeldetag

23. August 2016

Veröffentlichung

11. November 2020

Erteilung

11. November 2020

Rechtsraum

EP

IPC

G02B1/14

Abstract

The invention concerns an ophthalmic lens having an increased resistance to thermal and hygroscopic stresses, said ophthalmic lens comprising a substrate, at least one main face of which is coated with a siloxane-based anti-abrasion hardcoat, characterized in that said ophthalmic lens further comprises at least one protective layer of an organic-inorganic material directly in contact with said hardcoat, said protective layer of organic-inorganic material having a Young's modulus higher than 20 GPa, preferably of at least 25 GPa.

Anmelder

Firmen

Corporation de L'Ecole Polytechnique de Montreal
Essilor International

Land

🇨🇦 Kanada

Fachgebiete