Turn the glasses with the inner side towards you.

With one finger release the frame clip near the nose pad by pulling it inwards.

Now pull the frame clip upwards.

Remove the filter from the frame by pulling gently on the upper and lower side of the rim.

Guide the filter from above into the lower groove of the frame and click it into place all the way round.

Turn the glasses with the inner side towards you.

Take the frame clip and first click it into place on the lower edge and then on the upper edge by applying gentle pressure.

Close the temples.

Use your thumb to push the lens lock system back towards the temple.

Remove the filter from the frame by pressing gently on the rear side of the filter.

Start around the drilled holes and pull the filter outwards to release it from the groove of the frame.

Close the temples.

Insert the filter in the nose area.

Guide the filter into the groove of the frame.

The holes drilled in the filter are now above the two fastening pins and click onto these pins when you press gently.

Now use your thumb to push the lens lock system over the filter.

The temples must be closed. The lens-lock system must be pushed towards the temple.

Fix the filter with your thumb and forefinger.

Then stretch the frame a little and carefully press the filter out of the upper and lower frame towards the front.

The temples must be closed. The lens-lock system must be pushed towards the temple.

Insert the filter in the nose area.

Then insert this into the upper frame edge and pull the lower frame edge over the filter.

Using both hands and your thumbs pushing down on the inner side of the lens, simultaneously stretch the frame outwards and push the lens outwards with your thumbs.

Place the filter over the frame and gently stretch the frame and position the filter ( into the nose area recess first). Pull the upper section of the frame over the filter and then the bottom section. The filter should sit flush in the recess of the frame.

Using both hands and your thumbs pushing down on the inner side of the lens, simultaneously stretch the frame outwards and push the lens outwards with your thumbs.

Place the filter over the frame and gently stretch the frame and position the filter ( into the nose area recess first).

Pull the upper section of the frame over the filter and then the bottom section. The filter should sit flush in the recess of the frame.

Close both temples.

Tilt both lens lock-systems forward to release filter.

Release the filter from the upper recess over the nose section.

Then take the filter out of the recess in the area of ​​the nose.

The temples must be closed. The lens-lock system must be pushed towards the temple.

First insert the filter in the upper recess.

Then push the filter into the nose area recess.

Push both lens lock-systems down again to secure the filter in place.

Hold the lens in one hand and use the other to secure the corner of the frame ( where the lens sits) to lift the frame away from the lens.

Insert the lens into the frame recess at the corner.

Repeat on the other side and then using your thumb and index finger, push up the lens into the mid section of the frame recess until it clicks.