The lens looks bowl-shaped instead of like a normal curved contact
The edges flare outward instead of forming a smooth cup
The contact feels uncomfortable or irritating when inserted
The lens does not sit centered on the eye
The lens moves too much or feels unstable
The edges feel sharp or more noticeable than usual
The contact appears to have a wider rim at the edge
The lens shape looks more like a saucer than a bowl when held on your fingertip
The “taco test” shows the edges stay flared out instead of folding inward
The contact feels wrong immediately after insertion even if it is clean and moist