Circle contact lenses remain fresh and supple in eyes due to the lubrication provided by the natural tear production in eyes. When eyes are dry; circle lenses turn dry. To tackle dry eyes, you need to keep your eyes moisten by rewetting drops. Do not use multi-purpose solution instead of eye drops ever in your eyes. Circle contact lenses do not restrict you from crying; though crying does make your contact cloudy and eyes dry in some cases.
Crying with circle contact lenses bring no harm and damage to your eyes unless you are taking care to not to rub your eyes. However; one should keep in mind that crying hysterically for longer durations with circle lenses in eyes may cause itching in eyes. Itchy eyes will force you rub them which poses threat to your circle contact lenses.
On crying contact lenses sometimes get hazy or cloudy due to the excess protein and salt present in tears. This build-up on your contacts and form a film on them causing blurred vision. Sometimes crying with circle contact lenses may flush a lens out and you may lose it. Crying with circle contact lenses itself is not dangerous unless you are not rubbing your eyes or crying hard.