• Inflammation of the eyelids and will usually see some crusting on the lids as a result

• There are multiple causes of blepharitis

• Also called Grave's Ophthalmology 

• Grave's Disease is an autoimmune condition where the thyroid gland produces too much thyroid hormone, hence, causing hyperthyroidism

• Causes Exophthalmos (eyes bulge out from orbit)

• Exophthalmos is a more severe for of Proptosis where the eye bulges out more than 2mm

• Due to a blocked meibomian gland

• This can also become infected

• Definitive treatment is incision & drainage

• These form on the tip of your eyelid, and similarly to a chalazion, are caused by blockage of glands

• These can also become infected

• Droopy upper eyelid which can cause a obstruction of the upper visual fields

• Caused by muscle weakness,  nerve damage, Horner's Syndrome, Myasthenia Gravis

• Excessive skin on the upper lid

• Seen often in older patients

• Similar to Ptosis in that it can block the upper visual field

• When the conjunctiva becomes loose and wrinkled

• Most commonly due to aging and can cause dry eye symptoms

• Demodex Folliculorum are mites that infest the base of the eyelashes

• They can cause blepharitis, as well as dry eyes

• Treatment includes tea tree oil and Xdemvy

• Trichiasis is when your eyelashes grow inward into your eye, instead of outward

• This can cause considerable irritation and discomfort to the patient as the lashes rub into their eye

1) Basal Cell Carcinoma

• The most common form of skin/eyelid cancer

• Usually looks pearly or translucent

• Not life threatening

2) Squamous Cell Carcinoma

• These usually present more red and crusted

3) Melanoma

• These are life- threatening and need to be removed ASAP!

• This is a malignant tumor of the Melanocyte cells is the skin, which is why they ae darker in color

• These are more deeply mottled in red and black color

• The depth of invasion into the tissue is the most important factor in the prognosis