度どなし

expression, na-adjective

non-prescription; plano; without optical correction

Used for glasses, contact lenses, or sunglasses that have no corrective power (0 diopters). Often appears as 度なしレンズ or 度なしメガネ.

• このサングラスは度どなしなので、誰だれでもかけられます。

  These sunglasses are non-prescription, so anyone can wear them.

• 度どなしのカラーコンタクトを買かった。

  I bought plano colored contact lenses.