How to Tell If Your Contact Lenses Are Inside Out: A Simple Guide

Putting in contact lenses can be tricky, especially when you're not sure if the lens is right side out. Wearing a lens inside out is a common mistake that can cause discomfort, blurry vision, and even eye irritation. Fortunately, there are simple ways to check the orientation before insertion.

In this guide, we'll walk you through foolproof methods to determine if your contact lens is inside out, including the taco test and edge inspection. We'll also share tips to make the process easier, whether you're using daily disposables or monthly lenses like the popular Mona Brown or Glowy Brown Color Contact Lenses.

Why Lens Orientation Matters

Contact lenses are designed with a specific curvature that matches your eye's surface. When a lens is inside out, the curvature is reversed, causing the lens to not sit properly on your eye. This can lead to a feeling of something in your eye, excessive tearing, or even the lens popping out.

Additionally, an inverted lens may not provide the correct vision correction, resulting in blurred or distorted sight. For colored lenses, such as those from Primocon, wearing them inside out can also affect the color appearance and comfort. Therefore, it's crucial to verify the orientation every time you insert your lenses.

• Discomfort and irritation are the most common signs of an inside-out lens.
• Blurred vision may occur because the lens does not align with your cornea properly.
• Colored lenses may look different or unnatural when inverted.

The Taco Test: The Easiest Method

The taco test is a quick and reliable way to check if your contact lens is inside out. Place the lens on the tip of your index finger, making sure it is well-centered. Gently pinch the edges of the lens together as if you were folding a taco.

If the edges of the lens curl upward like a taco shell, the lens is in the correct orientation. If the edges instead fold downward and touch each other, the lens is inside out and needs to be flipped. This method works for most soft contact lenses, including those with a diameter of 14.0mm, 14.2mm, or 14.3mm.

• Always ensure your hands are clean and dry before handling lenses.
• Practice the taco test on a clean surface if you're new to it.

The Edge Check: Visual Inspection

Another simple method is to look at the lens from the side. Hold the lens on your fingertip and bring it up to eye level. If the lens forms a perfect bowl with the edges pointing straight up, it is likely correct. However, if the edges flare out slightly like a saucer or have a lip, the lens is inside out.

This visual inspection can be tricky for some lenses, especially those with a high water content. In such cases, the taco test is more reliable. Some lenses also have a laser marking or an inversion indicator, but not all do, so the taco test remains the universal method.

• Look for a slight outward curve at the rim—if present, flip the lens.
• Compare the shape to a bowl versus a plate to help decide.

What to Do If You Insert an Inside-Out Lens

If you accidentally insert an inside-out lens, you'll likely feel immediate discomfort. Do not panic. Wash your hands, remove the lens carefully, and rinse it with contact lens solution. Then, perform the taco test to confirm the correct orientation before reinserting.

Reusing the same lens after flipping it is safe as long as it remains clean and undamaged. However, if the lens feels dry or has any debris, clean it thoroughly with solution. For colored lenses like Max Choco or ChaCha Brown, ensure they are not torn or scratched before reinsertion.

• Never use water to rinse your lenses; always use fresh contact lens solution.
• If discomfort persists after reinsertion, remove the lens and inspect it for damage.

Tips for First-Time and Experienced Users

Even seasoned contact lens wearers can occasionally mistake the orientation. To minimize errors, make it a habit to check the lens each time before insertion. Keep your lenses in their case with the correct side up, and always use the same order (e.g., right eye first) to avoid mix-ups.

For those new to colored lenses, consider starting with a brand that offers a variety of shades and designs, such as the Glowy Brown Color Contact Lenses or Vivi Gray. These lenses are designed for comfort and style, and with proper care, they can be a great addition to your look.

• Use good lighting when handling lenses to see the edges clearly.
• If you have long nails, be extra careful not to tear the lens during the taco test.

Mastering the art of checking your contact lens orientation will save you from unnecessary discomfort and ensure clear vision. Remember the taco test and edge check, and always handle your lenses with clean hands. Whether you're wearing daily disposables or monthly colored lenses, these tips will help you wear them confidently. For a wide selection of comfortable and stylish contact lenses, explore our collection at Primocon.