Is an inflammation of the eyelids. Blepharitis tends to occur more often in those with oily skin. There are 2 types of blepharitis anterior and posterior anterior which affects the outside of the eyelid where eyelashes attach and seen by eyelash techs. If you believe blepharitis is starting to push the client to wash daily and see a doctor.
If you believe your client has blepharitis you must not fill their lashes as it becomes a liability also it is not your job to diagnose or treat any eye infections. In this case I would recommend doing a removal and having the client go home washing really well to clean away all the bacteria and buildup and see their doctor.
If you believe your client has eyelash lice you must not touch their lashes they will need to contact a doctor for treatment and you will also need to move forward to disinfect and sanitize your room and all tools bedding treatment area etc
is an inflammation of the conjunctiva. Your client must see a doctor and you must not provide a service
are unsightly but is usually harmless. It is a small sometimes red bump that forms near the eyelid. It is basically a clogged eyelid oil gland. You should not apply extensions on a client with a stye.