Table 2 Description of cresyl violet impression cytology at 4 h
Phosphate-buffered salinePreservative-free tafluprostLatanoprost0.02% benzalkonium chloride
Nucleo:cytoplasmic ratio1:2–1:31:2–1:3Cell borders not clearNo epithelial cells visible
Ratio non-applicable
Anisocytosis/anisonucleocytosis–++++No epithelial cells visible
Cell sizeNormalNormalVery irregularNon-applicable
Inflammatory cells–++++++++++
Goblet cellsNormalNormalGoblet cell imprint, no more complete cellCould not been seen
Goblet cells:epithelial cells ratio, %141500

  • –, no abnormality; +, discrete; ++, moderate; +++, important; ++++, extremely intense.