it’s up against instant alternatives like the Nons SL660 which is compatible with EF mount lenses. And in either case, it’s still going to be held back by the limitations of instant film.

The fit and feel of contact lenses are very nuanced, and it can take some trial and error to make sure they’re just right. You want lenses that offer precise vision ...

Non-prescription colored contact lenses can lead to serious eye infections or damage. Poorly fitting lenses or those made with unsafe materials can block oxygen to the cornea, leading to complications ...

B) Same as (A) for the 8.8 mm-long microendoscope (see also Fig. 6F). Supplementary Figure 3. Supplementary Table 1. Parameters of the polynomial function describing the aspherical surface of ...