Best Astigmatism Correction

Dogtra 280C Waterproof 127-Level Precise Control LCD Screen ½-Mile Remote Training Dog E-Collar

  • PRECISE CONTROL: With 127 correction levels, you’ll have no problem finding the perfect level for your dog with the gradual and precise correction....
  • CORRECTIONS: The 280C has two different correction types. The first correction type is a Nick (quick ½-second) and the second type is a Constant....
  • IPX9K WATERPROOF CERTIFIED: The 280C is IPX9K waterproof certified, which means it passed the International Protection Marking system. Products are....
  • COMPACT DESIGN: This receiver is great for small dogs with its compact design. It fits perfectly in one hand and has a “no-look” design so you can....
  • ½-MILE RANGE: The range of this training e-collar is perfect for many situations and all simple commands for your dog. With a range of ½-mile, this....
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PetSafe Instant Fence Transmitter IF-100

  • FOR STUBBORN DOGS: The system features the highest intensity of static correction with 5 levels of correction as well as a tone plus vibration mode.
  • this system is designed for pets 8 pounds and up.
  • CHOOSE YOUR WIRE: In-ground wire is sold separately so that you can purchase the gauge best for your yard.
  • PetSafe offers Standard (20 Gauge) and Heavy Duty (16 Gauge) in varying lengths.
  • RUN-THROUGH PREVENTION: The correction level will increase if your pet tries to run through the boundary zone.
  • an automatic safety shut-off will stop correction after 30 seconds.
  • FOR HEARING-IMPAIRED DOGS: The tone plus vibration mode is ideal for training hearing-impaired dogs.
  • WATERPROOF COLLAR: The battery-operated, waterproof collar is submersible up to 3 feet.
  • collar adjusts to fit neck sizes 6-28 inches.
  • CONTAIN ALL YOUR PETS: With the purchase of additional collars, this in-ground fence system allows you to safely contain an unlimited number of pets.
  • U.S.-BASED CUSTOMER CARE: Our pet product experts are here to help you and your pet and are available by phone, email or chat if you have any questions.
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BIC White-Out Brand EZ Correct Correction Tape 4 Count

  • Strong correction made by America’s #1 Correction Brand* * Source: The NPD Group, Inc./Retail Tracking Service/U.S. Actual Unit Sales Combined,....
  • Tape applies dry, so you can write over it instantly.
  • Film-based tape offers more strength than paper-based tape.
  • Compact translucent dispenser with soft rubber grip shows how much tape is remaining.
  • Each dispenser contains 39.3 feet of correction tape.
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BIC Wite-Out Brand EZ Correct Correction Tape, White, 2-Count

  • Fix mistakes fast with BIC Wite-Out Brand EZ Correct Correction Tape.
  • 39.3 feet of correction tape (472 inches).
  • Translucent body provides visible tape supply.
  • America's Correction Brand - Source: The NPD Group/Retail Tracking Service/U.S. Dollar Sales/Aug 2014-Jul 2015.
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Dogtra-1902S 2-Dog- Bonus 2 Free Straps and SPC Dog Training clicker System

  • ... 3/4-MILE RANGE: The range of this 2-dog training e-collar is perfect for simple to complex training commands for your dog. With a range of ¾-mile, this e-collar is perfect for serious obedience, hunting, and K-9 training..
  • PRECISE CONTROL: With 127 correction levels, you’ll have no problem finding the perfect level for your dog with the gradual and precise correction control. The LCD screen is bright and easy to read while the levels can be adjusted precisely at any time with the Rheostat Dial..
  • CORRECTIONS: This e-collar has two different correction types. The first correction type is a Nick (quick ½-second) and the second correction type is a Constant (up to 12 seconds). The e-collar also has a HPP (High Performance Pager) which offers a clear vibration to alert dogs while training. Find the right fit for you and your dog with this dynamic e-collar..
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Liquid Paper All-Purpose Correction Pens, 2 Pack (5622415), 6 Packs

  • Tipp-Ex pen, filled with premium-quality opaque correction fluid, sold as a pack of 2 + 1 extra.
  • Fine metal tip allows for precise application of correction fluid.
  • Pen-shaped body is squeezable, providing comfortable grip and controlled corrections.
  • 8ml of fast drying fluid means no waiting around to continue your school or college work.
  • Plastic cap protects the nib and tip of the correction pen.
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Monstrum Raven 1.5X Prism Scope | Black

  • The Monstrum Raven 1.5x Prism Scope is a prism scope optic with a fixed 1.5x magnification.
  • Offers similar functionality to red dot sights for rapid short range target acquisition, but it uses a glass prism optical system with an illuminating circle dot reticle instead of the projected laser dots used in traditional red dot sights.
  • Prism scope reticles are etched in glass, produce less distortion than red dots, and are easier for the eye to focus on, especially for shooters with astigmatism.
  • Comes with an integrated 1.5 inch riser that mounts to any standard picatinny mounting platform.
  • The Raven 1.5x prism scope is covered by Monstrum’s lifetime warranty.
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Kyoto Electronics DA-130N Portable Density Meter

  • High precision: High wavelength accuracy (±3nm), Wavelength range(350~1020nm), good monochromaticity, low astigmatism, high accuracy of measurement and good stability..
  • Automatic Function: Automatic light door, automatic zero and hundred adjustment equipment calibration..
  • Easy to Use: This spectrophotometer has digital display shows measurement values. Visible spectrophotometer, an analytical instrument commonly used in physic-chemical laboratories to make quantitative and qualitative analysis of specimen materials in the Visible..
  • Long Service Life: Digital Spectrophotometer Spectrometer adopting tungsten lamp to ensure the service life of equipment. It is a must-have multi-purpose analytical instrument for routine laboratories..
  • Widely Application: Widely used in medical, food, petrochemical industry, environmental protection and monitoring, etc..
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Invisible Fences

  • FOR STUBBORN DOGS: The system features the highest intensity of static correction with 5 levels of correction as well as a tone plus vibration mode.
  • CHOOSE YOUR WIRE: In-ground wire is sold separately so that you can purchase the gauge best for your yard.
  • PetSafe offers Standard (20 Gauge) and....
  • RUN-THROUGH PREVENTION: The correction level will increase if your pet tries to run through the boundary zone.
  • an automatic safety shut-off will stop....
  • FOR HEARING-IMPAIRED DOGS: The tone plus vibration mode is ideal for training hearing-impaired dogs.
  • WATERPROOF COLLAR: The battery-operated, waterproof collar is submersible up to 3 feet.
  • collar adjusts to fit neck sizes 6-28 inches.
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Monstrum Blackbird V2 1.5X Prism Scope | Black

  • The Monstrum Blackbird 1.5x Prism Scope is a prism scope optic with a fixed 1.5x magnification.
  • Offers similar functionality to red dot sights for rapid short range target acquisition, but it uses a glass prism optical system with an illuminating circle dot reticle instead of the projected laser dots used in traditional red dot sights.
  • Prism scope reticles are etched in glass, produces less distortion than red dots, and are easier for the eye to focus on, especially for shooters with astigmatism.
  • Comes with an integrated 1.5 inch riser that mounts to any standard picatinny mounting platform.
  • The Blackbird 1.5x prism scope is covered by Monstrum’s lifetime warranty.
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