this study has been conducted in order to investigate the effect of using onp recycled fibers on the mechanical and optical properties of local mixed hardwoods kraft pulp at iran wood and paper industry (chooka). onp and virgin kraft pulp have been prepared from chooka’s waste paper storage and pulping digester, respectively. onp has been repulped in the common method as used by paper recycling...

purpose: to assess alterations in parameters measured by the ocular response analyzer (ora) after photorefractive keratectomy (prk) with or without 0.02% mitomycin c (mmc) in myopic eyes. methods: in 33 right eyes of 33 patients, iop was determined using the goldmann applanation tonometry (gat) before and 3 months after prk. corneal hysteresis (ch), corneal resistance factor (crf), goldmann-cor...