@article {simpson2010redness,
	title = {Redness and Roughness of Tarsal Conjunctiva: Repeatability of and Associations Between Objective Metrics},
	journal = {Investigative Ophthalmology \& Visual Science},
	volume = {51},
	year = {2010},
	pages = {2396{\textendash}2396},
	publisher = {The Association for Research in Vision and Ophthalmology},
	author = {Simpson, T and Hutchings, N and Simpson, D}
}
