Epidemiology
One of the most common ocular disorders encountered by ophthalmologists (1).
Epidemiologic information on its incidence or prevalence is lacking (2).
According to the data of studies carried out regarding blepharitis:
- staphylococcal blepharitis
- average age of onset was around 42 years
- more common in women
- 25% to 50% of patients had keratoconjunctivitis sicca (KCS, or dry eye syndrome) (1)
- seborrhoeic blepharitis
- average age of patients was around 50 years
- prevalence was equal between men and women
- 95% of patients had seborrhoeic blepharitis while 25-40% had KCS (1)
- meibomian gland disease (MGD)
- mean age of onset was around 50 years
- equally common between men and women
- 20% of MGD patients had acne rosacea and 46% had seborrhoeic dermatitis (1).
Reference:
- (1) Lindsley K et al. Interventions for chronic blepharitis. Cochrane Database of Systematic Reviews 2012, Issue 5. Art. No.: CD005556. DOI: 10.1002/14651858.CD005556.pub2. Accessed 11 March 2022.
- (2) Amescua G et al; American Academy of Ophthalmology Preferred Practice Pattern Cornea and External Disease Panel. Blepharitis Preferred Practice Pattern®. Ophthalmology. 2019 Jan;126(1):P56-P93. doi: 10.1016/j.ophtha.2018.10.019.
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