The noninflammatory nature of keratoconus, coupled with the TUNEL in situ results, suggests apoptosis as a mode of cell death in this degenerative disease.

Polyfunctional CD4 + and CD8 + T cell responses are elicited against the SARS-CoV-2 spike protein after two doses of the AZD1222 COVID-19 vaccine.

PK eyes had better logMAR VA than that of DSAEK eyes with LOA correction, whereas DALK eyes performed intermediate between the two. When full correction was applied, the same trend persisted. The findings suggest that factors other than aberration contribute to decrements in VA with DSAEK compared with PK.