An Alger brush is an ophthalmological tool used to remove small foreign bodies from a patient's eye. It is commonly used to remove rust rings from a cornea.
Description An Alger brush is a small rotary brush powered by a battery. The brush contains a small burr that is capable of penetrating an eye's corneal stroma to reach small foreign objects lodged in the cornea, such as rust rings.
References
External links "Alger Brush II", Alger Inc. Quigley, Dr Sean (March 6, 2024). "Tools of the trade: Alger brush II". VET Practice. Retrieved July 23, 2026. The Alger brush is used when undertaking a keratotomy. The rough diamond bur is run gently over the eye surface so it removes any loose epithelium.