The study is aimed to determine if oral administration of Mucinex® is effective in reducing the amount of corneal filaments and improving symptomology in subjects with filamentary keratitis. Subjects will be instructed to take 600 mg tablets of extended release Mucinex® twice a day (total dose is 1.2 g/day) for 4 weeks.
It is a pilot study aimed to determine if oral Mucinex® is effective in reducing the amount of corneal filaments and improving symptomology in subjects with filamentary keratitis.