1 If an object scratches the surface of one of your corneas or penetrates a cornea, keratitis without an infection may result. 2  In addition, an injury may allow bacteria or fungi to gain access to the cornea through the damaged surface, causing infectious keratitis.
Backyard egg is on the left, store bought is on the right. When cooked to over-medium, the store bought egg (left) spreads out much more than the backyard egg (right). The store bought egg (left) has a yolk that collapses when cut.The yolk texture is simultaneously a bit chalky and sticky.The backyard egg (right) has a yolk that holds its shape very well.his was an interesting comparison. The store bought eggs were fresh and of excellent quality, from a local medium-scale producer that does a consistently great job delivering humane eggs at a good price point. I would happily buy and eat these eggs if I did not keep chickens.
Eggs from small flocks of chickens are more likely to be contaminated with Salmonella enteritidis than eggs sold in grocery stores, which typically come from larger flocks that are regulated by the U.S. Food and Drug Administration, according to researchers in Penn State's College of Agricultural Sciences.