Yokoi N, Takehisa Y & Kinoshita S: Correlation of tear lipid layer interference patterns with the diagnosis and severity of dry eye. Am J Ophthalmol, 122: 818-824, 1996.
Yokoi N, Yamada H, Mizukusa Y, et al.: Rheology of tear film lipid layer spread in normal and aqueous tear-deficient dry eyes. Invest Ophthalmol Vis Sci, 49: 5319-5324, 2008.
Finis D, Pischel N, Schrader S, et al.: Evaluation of lipid layer thickness measurement of the tear film as a diagnostic tool for Meibomian gland dysfunction. Cornea, 32: 1549-1553, 2013.
Himebaugh NL, Begley CG, Bradley A, et al.: Blinking and tear break-up during four visual tasks. Optom Vis Sci, 86: E106-E114, 2009.