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Generally speaking, dry eye syndrome can be divided into two main categories, aqueous deficient dry eye and evaporative dry eye. Meibomian gland dysfunction is the most common form of evaporative dry eye. Abnormality in the meibum secretion, or the obstruction of the orifice of the central duct could lead to meibomian gland dysfunction. Chronic meibomian … More Meibographer

Lightrino Tear Film Analyzer (TFA) measures the critical thickness of the tear film lipid layer, which is essential for reducing tear evaporation and maintaining tear film stability. The lipid layer is the outermost, anterior layer of the tear film covering the human cornea. It forms a smooth optical interface between the eye and the ambient … More Tear Film Analyzer

Presbyopia is a natural part of the human aging process. It’s the gradual loss of accommodation of the eye as one ages, which results in the inability to focus clearly on nearby objects. Common symptoms include difficulty reading small print, especially in low light conditions; eyestrain and headaches after close-up work or reading. … More Presbyopia