Blepharitis diagnosisBlepharitis diagnosis can be done by history of symptoms, gross examination of face and eyelid and eye examination using slit-lamp. 1- History of the patientYour ophthalmologist will ask you general questions about your general health, allergies, medications, your work environment and any previous eye problems, surgeries or eye drops. He will ask you also about your main or chief complains and what symptoms you have.2- Gross examinationIncluding the appearance of eyelid, eyelashes and skin3- Slit lamp examinationYour doctor will be able to diagnose it by external examination of your eyes using slit-lamp. Things that your doctor will be looking for:1- Anterior type:A- Staphylococcal Blepharitis: Which is an eye lid infection and there will be hyperaemia, telangiectasias of the anterior margins with collarettes which is hard white scales located around the base of the lashes. There will be also discharge from your eyes which is green to yellow in color.B- Seborrhoeic Blepharitis: hyperaemia and greasy anterior margin with sticky eyelashes. There are scales which located anywhere on lid margin and lashes. C- In both form with long standing or chronic disease there will be scarring of lid margin and abnormalities of eyelashes like losing of eyelashes (madarosis), whitening of the eyelashes (poliosis) and misdirection in the growth of eyelashes (trichiasis). D- Sleeving is associated with infection by the eyelash parasite called demodex folliculorum. Sleeving is a material like is collected around eyelashes and a tube like 2- Posterior type:Foamy tear film, Hyperaemia, telangiectasia and obstruction of meibomian gland orifices with inflammation around them.3- ConjunctivaChanges on the conjunctiva which is called papillary reactions. Blepharitis can cause conjunctivitis which will cause pink eye.4- Corneal changesCorneal inflammation and changes which include erosions on the epithelial surface of the cornea which in chronic cases lead to corneal infections with ulcer formations5- Tear filmEvaluation of the tear film. To check the quantity and quality of the tearsFrom blepharitis diagnosis to blepharitis main page Blepharitis classification Blepharitis symptoms Blepharitis treatment Blepharitis complications When to seek medical advice blepharitis prevention
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