Let me tell you about how I think that blepharitis treatment (the lid scrubs in the shower you're doing) ought to be done. I think if you change how you do this, and do them consistenly every day, I think it will help--you may need more than just this, though.
In order to treat blepharitis, everyday in the morning you should do two things: 1. hot compresses and 2. eyelid scrubs. You should do hot compresses for 5-10 minutes over each eye at the same time. It should be as hot as you can tolerate without burning your skin, massaging the eyelids while they are on there. Then, use either commercially available preparations or a dilute baby shampoo solution to scrub your eyelashes on all 4 eyelids. The commercially available preparations are called Ocusoft or Sterilid which are both over-the-counter eyelash scrubbing treatments. These cost more money but are quicker to use. Otherwise, the cheaper alternative is the dilute baby shampoo (4-5 drops Johnson's shampoo in 1/4 cup warm water), you will take the wipe (or dip a qtip in the dilute baby shampoo solution) and use that to scrub right on the eyelashes of each eyelid for 15 seconds. That will take 60 seconds when done to all 4 eyelids. The scrubbing is done right on the eyelid margin, where the eyelashes come out. After that, just splash some water on the eyes and you're done.
It does take about 3-4 weeks of doing this consistently every day before it really kicks in, so don't stop it thinking it's not working. Also the eyes are still significantly dry during this 3-4 weeks so I would recommend using artificial tears 4x/day in both eyes (one drop per application). After 4 weeks you should be able to start tapering off of the tears to as you need them.
Just doing the artificial tears, hot compresses and eyelid scrubs alone would likely start to help you after three or 4 weeks--but remember it could take this long of doing it everyday before you see a significant effect, so don't stop it thinking it's not working.
If this isn't working, then it may require doing something like Zylet concurrently. In addition, some people need to be on a low-dose doxycycline (antibiotic) to help with getting the tear film to be more healthy.
The bottom-line is the treatment for blepharitis, which it sounds like you're being asked to do, needs to be consistent and specific, and even then, some people's blepharitis can require additional measures, such as the concomitant use of a steroid/antibiotic, topically, as well as oral doxycycline and/or flaxseed oil and/or omega-3 fatty acids.
If you feel like you've done this all very well for 3-4 weeks and still don't see a significant improvement in your symptoms, then I would recommend going to see a corneal specialist (get a second opinion)--when there are roadblocks to every road you turn down in treatment, I think it is best to get a second, fresh opinion.
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