Measurement of the visual axis through two different methods: quantification and differences for measuring chord μ.

Purpose: To compare the differences between the apparent and actual chord μ.

Methods: In this prospective, comparative, non-randomized, and non-interventional study, imaging examinations using Pentacam and the HD Analyzer were performed in the same room under the same scotopic conditions. The inclusion criteria were patients aged 21-71 years, able to provide informed consent, myopia up to 4D, and anterior topographic astigmatism up to 1D.

Antimicrobial susceptibility of photodynamic therapy (UVA/riboflavin) against Staphylococcus aureus.

Purpose: To assess S. aureus in vitro viability after the exposure to ultraviolet light A (UVA) and riboflavin (B2).

Methods: Samples of S.