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 ...

Abstract: The paper investigates the structural parameters of laser triangulation measurement system (LTMS) based on the utilization of commercial lenses, and offers a basis for choosing the most ...

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 ...