Table 4.

Isolated microorganisms from tested eye drops.

Eye Drops		Microbial Contamination Sites					Gram-Positive Bacteria																Gram-Negative Bacteria																						Fungi																	Ref.
Preservative Free	Preservative	Dropper Tip	Drops	Residual Content	Cap Contaminated	Dried Residue Thread	Gram-positive cocci	Aerococcus viridans	Arthrobacter spp.	Bacillus spp.	Brevibacterium casei	Clostridium perfringens	Corynebacterium spp.	Kocuria spp.	Micrococcus spp.	Propionibacterium acnes	Rothia dentocariosa	Staphylococcus coagulase negative	Staphylococcus epidermidis	Staphylococcus aureus	Staphylococcus spp.	Streptococcus spp.	Gram Negative Rods	Acinetobacter spp.	Bordetella spp.	Citrobacter spp.	Escherichia coli	Edwardsiella	Enterobacter spp.	Haemophilus spp.	Flavobacterium spp.	Klebsiella spp.	Moraxella spp.	Morganella morganii	Neisseria spp.	Nocardia spp.	Pantoea spp.	Proteus spp.	Pseudomonas spp.	Providencia spp.	Salmonella spp.	Serratia spp.	Shigella spp.	Stenotrophomonas maltophilia	Aspergillus spp.	Acremonium spp.	Alternaria spp.	Aureobasidium pullulans	Bravibactrium casei	Candida spp.	Cephalosporium spp.	Cercospora spp.	Cellulosimicrobium cellulans	Cladosporium sp.	Exiguobacterium	Fonsecaea spp.	Fusarium spp.	Gliocladium spp.	Geotricum spp.	Mucor spp.	Penicillium spp.	Rothiarhodotorula rubra Streptomyces spp. Trichosporon spp. Yeast not candida Yeast spp. Unidentified
																																																														[41]
																																																														[42]
																																																														[49]
																																																														[56]
																																																														[30]
																																																														[36]
																																																														[19]
																																																														[37]
																																																														[23]
																																																														[13]
																																																														[57]
																																																														[34]
																																																														[22]
																																																														[48]
																																																														[25]
																																																														[47]
																																																														[39]
																																																														[12]
																																																														[14]
																																																														[46]
																																																														[50]
																																																														[15]
																																																														[24]
																																																														[27]
																																																														[28]
																																																														[29]
																																																														[35]
																																																														[43]
																																																														[21]
																																																														[18]
																																																														[17]