Computer Accessories Online Store offers several ergonomic computer mouse designs that provide the Best-Fit computer mouse including: computer mouse designs for right/left hand, multiple size options for a small, medium, large hand such as the Contour Perfit Mouse and Evoluent Vertical Mouse and even the #1 top rated computer mouse alternative: the Contour RollerMouse Classic & Contour RollerMouse Pro.  A correctly fitted computer mouse can optimize comfort and reduce excessive arm twisting or finger strain, please see the research studies posted on our product reviews page.

Contour Mouse: "Best Fit" Mouse: Multiple Sizes/ Right/ Left

Award-winning Contour Perfit Optical Computer Mouse design comes in multiple sizes for the right and left hand.

There are 5 sizes for the right hand and 3 sizes for the left hand.

Use our "computer mouse / hand sizing chart" below to ensure the best-fit.

#1 Computer Mouse Alternative: Contour RollerMouse

Ergonomic experts recommend the #1 rated Computer Mouse alternative: Contour RollerMouse. Eliminate the computer mouse entirely by placing the mouse functions as a platform station, underneath your keyboard. Note: this product is not and does not include the keyboard. Read the numerous research studies and product reviews for the Contour RollerMouse , RollerMouse now also comes in the RollerMouse PRO version!

 Need replacement pads for Contour RollerMouse Classic or RollerMouse PRO?  We have them! Visit the Contour Mouse Station Product Page for details.

• The unique and brilliant idea behind the Roller Mouse Classic and RollerMouse PRO is to finally provide a solution to the awkward stretch of the arm, and hand that is required for using a computer mouse. This repositioning of the mouse click and navigation functions within the keyboard platform is what helps reduce muscular pain and injury that is often times associated with repetitive use, awkward postures and does potentially increase your productivity by allowing you to keep your typing position as you control your cursor.  The Contour RollerMouse Classic and RollerMouse PRO is an alternate computer mouse product that is the first of its kind.

• Benefits the Contour RollerMouse Classic and Contour RollerMouse PRO :
  The Contour RollerMouse Classic and RollerMouse PRO significantly reduce postural strain and fatigue on the computer-users elbow, shoulder, neck, wrist and hand.  For any computer-user suffering from computer-related injury or pain conditions-this product comes highly recommended.
• Because the RollerMouse series allows the controlling of the computer mouse click, drag and navigation functions to now performed with your hands remaining at keyboard, your hands can be kept in optimal reach zone, which is why you will feel more comfortable, have less pain and may also increase your productivity. The RollerMouse series reduces the muscular discomfort of your shoulder, neck, elbow, hands and wrist so that it improves your ease of work and increased your productivity.
• Read more about the RollerMouse Classic, read more about the RollerMouse PRO.

Evoluent Vertical Mouse is the world's first handshake grip computer mouse series since 2002. The Evoluent™ Vertical Computer Mouse™ 2 and Vertical Mouse 3 versions are unique and innovative because they support your hand in a fully upright handshake position that eliminates the forearm twisting required by ordinary mice. Once you experience the superior comfort, you will never go back to ordinary mice. (Patented.)

Eliminates Arm Twisting: The patented shape supports your hand in a fully upright handshake position that eliminates forearm twisting. Many users said the Evoluent Vertical Computer Mouse (all 3 versions) cured their wrist or arm pain. An ordinary horizontal computer mouse requires your forearm to twist away from its natural position.

Reduces Hand Movements: The Evoluent Vertical Computer Mouse 2 and Vertical Mouse 3 versions do not move sideways when clicking with normal force because the thumb naturally opposes the fingers. Pointer control is as accurate as any other good computer mouse.

Offers Effortless / Easy Clicking: The button force is light for easy clicking, but still firm enough to avoid accidental actuation.  Click here to read more about the Evoluent Vertical Mouse versions 2, 3 and wireless!

• Measure Your Hand: The overall size should fit the size of the hand to provide optimal support & comfort with minimal fatigue. Use our hand / computer mouse sizing chart to measure your hand. 

• Ensure the proper size and fit of your computer mouse: Follow the Hand / Computer Mouse sizing chart guidelines. If you have a large hand, for optimal fitting, you must use a large sized computer mouse, if you have a small hand, for optimal fitting you must use a small computer mouse. Contour Perfit Optical Mouse comes in five different sizes for the Right hand computer mouse, three different sizes for the Left hand, it is the #1 recommended Ergonomic Computer Mouse for multiple size needs. Please see the Contour Perfit Computer Mouse Product Reviews and Product Awards this superior computer mouse has won.

• Make Sure the contour and shape of the Computer Mouse fits your hand/ wrist. Computer mouse arch should conform to the natural arch of the hand in a neutral position. Operating posture should encourage neutral positioning of the wrist, fingers and hand. Contour Perfit Computer Mouse design provides a superior contour to best fit the hand.  If you wrist or hand is uncomfortable in the pronated (hand down) position, the Evoluent Vertical Computer Mouse is the #1 recommended and highly rated vertical computer mouse. This unique vertical design keeps the hand /  wrist in an upright and neutral position. There truly is no other vertical computer mouse product that comes close to the superior Evoluent Vertical Mouse.   **For full product description and comparison of Evoluent Vertical Mouse 2, versus Vertical Mouse 3, and Wireless version, please see our "Evoluent Vertical Mouse" page. Please also read the numerous product reviews on "Evoluent Vertical Mouse Product Review".

• Make sure your Computer Mouse is compatible with your dominant handedness. If you are left handed- you must use a left handed computer mouse. See Contour Perfit Computer Mouse for Left Hand and Evoluent Vertical Mouse for Left Hand.

• Eliminate Excessive Motion: The RollerMouse Design offers a complete solution to the problem of excess motion caused by an ordinary mouse it has a programmable roller bar that completely eliminates the peripheral mouse. Also, the Evoluent Vertical Mouse has 5 programmable buttons with over 59 programmable functions, this also eliminates excessive motion from cursor and mouse control. 
• Lastly, if you already suffer from pain, have carpal tunnel syndrome or other computer-related cumulative trauma disorder, it is highly recommended that you change your computer mouse to eliminate excessive stress and pressure on your working tendons. The best computer mouse design solutions for carpal tunnel syndrome and any injury are the Contour RollerMouse Classic and Contour RollerMouse Pro, the Contour Perfit Computer Mouse and the Evoluent Vertical Computer Mouse.

Ergonomic Expert Reviewed & Approved

• Read Our Computer Mouse Design Product Awards & Product Reviews: The Contour and Evoluent computer mouse designs significantly reduce the strain on your hand and wrist muscles.  Visit our "Product Awards" to see why these award-winning computer mouse designs provide cost-effective, ergonomic solutions! Visit our "Product Reviews" page for product reviews and endorsements. Click here to read the product review on" Evoluent Vertical Mouse Design".