[LOT 2 PCS] Welch Allyn 11710 3.5V Halogen Standard Ophthalmoscope (Head Only)[LOT 2 PCS] Welch Allyn 11710 3. 5V Halogen Standard Ophthalmoscope Head The Welch Allyn 11710 is a standard diagnostic ophthalmoscope head designed for retinal and ocular examination. This lot includes two 3. 5V halogen ophthalmoscope heads compatible with Welch Allyn rechargeable and battery power handles used in clinical and examination environments. Key Specifications Manufacturer: Welch Allyn Model REF: 11710 Quantity: Lot of 2 ophthalmoscope