Top 10 Best Retinoscopes

TWO MICROSCOPES IN ONE Use the lower LED lights to view biological specimens on slides or switch over to the upper lights to examine 3D objects in intricate detail. The perfect STEM activity for boys and girls.. OVER 50 ACCESSORIES INCLUDED Explore a curated set of 10 prepared slides with a range of biological specimens, then create your own with the included blank slides and covers, tweezers, and an eye-dropper. This complete kit also includes a Petri dish for plant labs, a mini geode, and more. POWERFUL LEARNING TOOL This microscope features two sets of optical glass lenses providing 20x and 50x magnification, and is easy to operate making learning fun and accessible for young scientists. Kids science experiments have never been so fun. BRINE SHRIMP EXPERIMENT INCLUDED Track the life cycle of brine shrimp with the complete included experiment Includes hatchery station, shrimp eggs, petri dish, and lab manual. Includes a detailed, full-colour STEM learning guide.. SATISFACTION GUARANTEED The National Geographic STEM series provides kids high-quality educational toys that are a whole lot of fun If your experience is anything less than extraordinary, let us know so we can make it right for you..

ACCURATE DIOPTER The diopter of our schematic eye is accurate, with an error of less than 0.25 Unit D. Its adjustable range is 4.00D to -5.00D.. 3 PUPIL SIZES Our model eye has three difficulty levels with different pupil sizes3, 5, 7, which can simulate small pupils, ordinary pupils, and dilated pupils.. PRECISE AND CLEAR AXIAL ANGLE Degree of astigmatism axial angle disk 0180 degrees, each line represents 5 degrees, and all are accurate and clear.. ADJUSTABLE ANGLE The angle of our model eye can be adjusted more than 90 degrees by adjusting the shaft screw, which is suitable for practitioners of different heights to practice and operate.. 3 LAYERS OF ARC GROOVES There are three layers of arc grooves in the front of our schematic eye, which can be used to place optometric lenses or preset astigmatism and axial cylinders..

2.8X the brightness and superior streak quality versus standard retinoscopes.. Optional crossed-linear polarizing filter removes 99 of glare from trial lenses.. Superior streak quality enables easier and quicker refractions.. External focusing sleeve offers continuous rotation.. Fits all Welch Allyn 3.5 V power sources..

Lifetime Service Warranty. DustProof - Maintenance Free. ParaStop. Precise, easy selection of a parallel beam.. Streak or spot Retinoscope. Simply by changing the bulb.. Streak Retinoscope, Rechargeable Handle and Battery Included in Set.

Brand Technical Precision. Replacement for Welch Allyn 03000-U Replacement Halogen Lamp for 11710 Ophthalmoscope and 18000 Retinoscope, 3.5V. For 11710 ophthalmoscope 18000 retinoscope. 3.5 Volts. Sold individually.

HIGH QUALITY Adopting high quality material, which is durable and also environmental friendly. RETINOSCOPE PRACTICE Coordinate with the retinoscope practice, simulate real eye. There is scale on the lens-barrel which represents different ametropia. DIFFERENT PUPIL 3 levels of difficulty with change in the pupil size, switchable by simulation of small, general and mydriatic pupil.. ARC WALL 3 layers of arc walls for refraction lenses or setting of different degrees of astigmatism and axial cylinder. EASY TO USE Simulated design is more convenient to practice optometry, easy and flexible to operate. Degree of astigmatism axial angle disk 0180 degree.

This is a VE-SPECIALS value bundle comprising 2 pieces of Starlighting WA-03100 halogen bulbs suitable for Welch Allyn Otoscope models 20000, 20200, 20202, 21700, 25000, 25020 and 25200. These are also compatible with Retinoscope-Illuminators and Transilluminators 27000, 27050, 26530, 41100, 43300 and 26500. This bulb also works with Tongue Blade Holder 28100 and 3.5V Handle Adapter 73500.. Look out for the Copyright VE-SPECIALS brand packaging to ensure you are receiving a genuine product..

3.5V.

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