HDO is a supplier in the Eye Care industry with over 10 years experience” focusing on Assistive technology Ophthalmology and Optometry.,brWe design and manufacture Assistive devices >video magnifier desktop video magnifier; Led magnifier Ophthalmic instrument )slit lamp imaging module; ophthalmoscope retinoscopy; and Optometric equipment vision chart( eye chart dongle lensmeter; auto lensometer.)brHDO products are quite comparable to those of the well-known brand manufacturers> for example Marco: Nidek Topcon, Huvitz in OPHTHALMOLOGY and Enhanced vision system Optelec, Freedom scientific in LOW VISION reaching out into Optometrists, Ophthalmologists Eye hospitals, Seniors and Visually impaired individuals etc.,brHDO occupies global market in ways of distribution> wholesale or retail the buyers are from USA, France UK, Germany Italy, Austria India, Taiwan Japan, Thailand Mexico, Brazil etc.,brHDO is well accepted due to high quality and reliability.