From the forecasted data, the production of unmounted single focal spectacle lenses for vision correction with both sides finished in France is projected to decline gradually from 13.662 million items in 2024 to 13.103 million items in 2028. Compared to 2023, where production was reported at around 13.8 million items, this marks a consistent downward trend. The annual year-on-year variation reflects a decrease of approximately 1.04% to 1.05% each year from 2025 onwards. The compound annual growth rate (CAGR) over the five-year period is negative, indicating a subtle yet continual reduction in production volumes.

Future trends to monitor include:

The impact of technological advancements in vision correction alternatives, potentially affecting demand for traditional spectacle lenses.
Evolving consumer preferences, potentially leaning towards premium or customized lenses, impacting standard production volumes.
Regulatory changes in the optical industry, affecting production processes and costs.