EK
Source-basedFalling

Eugène Kalt

French ophthalmologist (1861–1941)

  • Fame35.3
  • Momentum2.2
  • Wikipedia50
Lived 1861–1941, aged 80France
  • Wikipedia
    6 languages
    Cross-language footprint
  • Era
    1861–1941
    Aged 80
  • Awards
    1
    recognised work
Summary
Updated 2026-08-13

Eugène Jean Baptiste Kalt was a French ophthalmologist who developed the first known application of a contact lens for the correction of keratoconus. In 1888, he worked on a crude flat-fitting glass scleral lenses designed to "compress the steep conical apex thereby correcting the condition". His first lenses were crafted from the bottoms of glass test tubes.

Where to find them

Platforms

No platforms connected yet.

By the numbers

Score breakdown

The six component signals behind the Fame score, and their ranks across the leaderboards.

Fame
Falling
35.3
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum2.2
Historical5.5
Source confidence35.0
Completeness35.0
Global rank
Country rank
Category rank
Receipts

Sources