Intraocular pressure after combined photorefractive keratectomy and corneal collagen cross-linking for keratoconus.

"Declarations Competing interestsThe authors declare no competing interests. Conflict of interestNone. Ethical approvalAll procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consentInformed consent to participate in the study was obtained from all individual participants included in the study. Consent to publishInformed consent to publish the results of the study was obtained from all individual participants included in the study. Competing interests The authors declare no competing interests. Conflict of interest None."

"Funding Open access funding provided by The Science, Technology & Innovation Funding Authority (STDF) in cooperation with The Egyptian Knowledge Bank (EKB)."