Type Severity Reaction type Symptoms Signs Management
Acute allergic Non-sight Type 1 (IgE -Sudden onset - -Lid oedema Advise px
threatening mediated) eyelid swelling -Conjunctival usually resolve
-Ocular itching hyperaemia and on its own in a
-Unilateral (if chemosis few hours,
direct contact) -Watery or advise against
mucoid discharge eye rubbing
(mild) (mechanical
NO PAPILLAE mast cell
degranulation)
Can give ocular
lubricants
If recurrent-
sodium
cromoglycate
2% (POM) or
olopatadine
0.1% (off label)
Seasonal/perennial Non- sight Type 1 (IgE Red eye Lids: mild to mod Avoidance of
threatening mediated) Itching oedema allergen if
Watering Chemosis, possible
Sneezing hyperaemia and Sodium
diffuse papillary cromoglycate
reaction 2%
Oral
antihistamine
(loratadine)
Olopatadine (IP)
CLAPC Non-sight Either type 1 Itching and Usually bilateral Initially focus
threatening (IgE Mediated) irritation Papillae on CL care
Acute allergic Non-sight Type 1 (IgE -Sudden onset - -Lid oedema Advise px
threatening mediated) eyelid swelling -Conjunctival usually resolve
-Ocular itching hyperaemia and on its own in a
-Unilateral (if chemosis few hours,
direct contact) -Watery or advise against
mucoid discharge eye rubbing
(mild) (mechanical
NO PAPILLAE mast cell
degranulation)
Can give ocular
lubricants
If recurrent-
sodium
cromoglycate
2% (POM) or
olopatadine
0.1% (off label)
Seasonal/perennial Non- sight Type 1 (IgE Red eye Lids: mild to mod Avoidance of
threatening mediated) Itching oedema allergen if
Watering Chemosis, possible
Sneezing hyperaemia and Sodium
diffuse papillary cromoglycate
reaction 2%
Oral
antihistamine
(loratadine)
Olopatadine (IP)
CLAPC Non-sight Either type 1 Itching and Usually bilateral Initially focus
threatening (IgE Mediated) irritation Papillae on CL care
