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Space.com on MSN6h
For 100 years, we have marveled at planetariums. Here's a brief history of how humans brought the stars indoors
But this is a performance; the stars above an ingenious projection. For the first time a public audience has experienced the ...
Optometry Advisor3d
Customizable Scleral Lens Effective, Real-World Evidence Shows
A custom scleral lens system improves visual acuity and comfort in patients with a variety of corneal conditions, research ...
Healio3d
Zenlens multifocal scleral lens improves visual acuity with 11-hour comfort
Zenlens custom scleral contact lenses improved visual acuity and yielded more than 11 hours of comfortable wearing time, ...