That’s the worry. Even the humble eyeglass industry is dominated by a single firm.

We look into the global spike in myopia, how the Lemtosh got its name, and what your eye doctor knows that you don’t. (Part two of a two-part series.)

SOURCES:
- Maria Liu, professor of clinical optometry at the University of California, Berkeley.
- Harvey Moscot, C.E.O. of MOSCOT Eyewear and Eyecare.
- Zachary Moscot, chief design officer of MOSCOT Eyewear and Eyecare.
- Cédric Rossi, equity research analyst at Bryan Garnier.
- Tim Wu, professor of law, science and technology at Columbia Law School.

RESOURCES:
- "Meta in Talks to Buy Stake in Eyewear Giant EssilorLuxottica," by Salvador Rodriguez and Lauren Thomas (The Wall Street Journal, 2024).
- "The Story Behind Soaring Myopia Among Kids," by Manoush Zomorodi, Katie Monteleone, Sanaz Meshkinpour, and Rachel Faulkner White (Body Electric, 2024).
- "Why So Many People Need Glasses Now," by Christophe Haubursin (Vox, 2023).
- "Eyes on World Sight: Taking Action to Advance Eye Health in China," by EssilorLuxottica (2022).
- "Global Prevalence of Myopia and High Myopia and Temporal Trends from 2000 through 2050," by Brien A. Holden, Timothy R. Fricke, Serge Resnikoff, et al. (Ophthalmology, 2016).
- "Increased Prevalence of Myopia in the United States Between 1971-1972 and 1999-2004," by Susan Vitale, Robert D. Sperduto, and Frederick L. Ferris (Archives of Ophthalmology, 2009).

EXTRAS:
- "The Economics of Eyeglasses," series by Freakonomics Radio (2024).