Table 1.
Species | Family | Gland | Venom Components | Spitting Distance (Meter) | Ocular Lesions | Treatments | Outcome | Ref. |
---|---|---|---|---|---|---|---|---|
Naja atra | Elapidae | Duvernoy | α-Neurotoxin PLA2
LAAO CTXs |
0.7–1 | Conjunctivitis; corneal injury; Keratoconjunctivitis; Keratitis; Photophobia | Water irrigations; topical antibiotics, corticosteroids, and vasoconstrictors; Analgesics | Full recovery | [3,9,10] |
N. naja | Elapidae | Duvernoy | α-Neurotoxin PLA2
LAAO CTXs |
0.2 | conjunctival inflammation and swelling of the eyelids | Water irrigations | Full recovery | [3] |
N. nigricollis | Elapidae | Duvernoy | α-Neurotoxin PLA2
LAAO CTXs |
0.8–2 | Corneal injury; hypopyon; uveitis; conjunctival hyperemia | Water irrigations; topical antibiotics, corticosteroids atropine; Analgesics | Recovered with sequelae; Few blind |
[3,11,16,17,18] |
N. pallida | Elapidae | Duvernoy | α-Neurotoxin PLA2
LAAO CTXs |
0.5–1 | Blepharitis, blepharospasm, conjunctivitis | Water irrigations | Full recovery | [3] |
N. siamensis | Elapidae | Duvernoy | α-Neurotoxin PLA2
LAAO CTXs |
2 | Conjunctivitis | Water irrigations; Epinephrine | Full recovery | [3] |
Hemachatus haemachatus | Elapidae | Duvernoy | PLA2
LAAO CTXs |
1 | Red eye | Water irrigations | Full recovery | [3] |
Crotalus atrox | Viperidae | Duvernoy | PLA2
LAAO SVMPs |
n/a | Photophobia | Water irrigations; Topical antivenom, Analgesics | Full recovery | [12,13,14] |
Rhabdophis tigrinus | Colubridae | Nuchal | bufadienolides | n/a | Conjunctivitis, keratitis, corneal clouding | Saline irrigations; topical antibiotics, corticosteroids | Full recovery | [24,25,26] |
R.t. formosanus | Colubridae | Nuchal | bufadienolides | 1 | Keratitis, corneal stromal edema and conjunctival congestion | Water irrigation; topical corticosteroid, antihistamine and antibiotic | Full recovery | [27] |
PLA2: Phospholipases A2; LAAO: L-amino acid oxidases; CTXs: Cardiotoxins; SVMPs: Snake venom metalloproteinases.