PM	Particulate Matter
OVA	Ovalbumin
AED	Allergic Eye Disease
IgE	Immunoglobulin E
PMN	Polymorphonuclear Leukocytes
DED	Dry Eye Diseases
AC	Allergic Conjunctivitis
AKC	Atopic Keratoconjunctivitis
VKC	Vernal Keratoconjunctivitis
NF-κB	Nuclear Factor Kappa B
TNF-α	Tumor Necrosis Factor-Alpha
HO-1	Heme Oxygenase-1
IACUC	Institutional Animal Care and Use Committee
ELISA	Enzyme-Linked Immunosorbent Assay
Il-4	Interleukin 4
IL-5	Interleukin-5
TUNEL	Terminal deoxynucleotidyl transferase (TdT) deoxyuridine triphosphate(dUTP) nick-end labeling