Your first visit

Patient data sheet

To easen the administrative process during your first visit, please print out this patient data sheet, fill it out at your own leisure, and bring it with you on the day of your visit. This saves both you and us time.


Are you coming for a second opinion? If you have any medical reports about your eye disease, then please bring these with you.

We may need to dilate your pupils during consultations using special eyedrops. If this is the case, then please take this into consideration when planning your trip to ELZA.

Laser eye surgery

Please do not wear contact lenses for at least 2 weeks before the initial consultation. Contact lenses can change the shape of the cornea, and it takes time for the cornea to return to its natural shape – which is how we need the cornea to be to perform accurate measurements of it. If contact lenses are worn before your assessment, we will obtain false readings, and we won’t be able to tell you with certainty if and how your eyes could be lasered.

A precise preliminary examination is only possible if you have followed the 2 weeks without contact lenses.


Just like with laser refractive surgery, please do not wear contact lenses for at least 2 weeks before your assessment – the change in corneal shape that contact lenses can cause can seriously distort the examination and our doctors will not be able to provide you with certainty about a possible progression of the disease.

In addition, a clean (undistorted) pre cross-linking measurement is important so that we can determine whether keratoconus progression has actually come to a standstill after cross-linking.

So please do not wear the contact lenses – just one hour of wearing them strongly deforms the cornea and renders our measurements inaccurate. We are aware that this is a long time, especially for young working people, but two weeks is the absolute bare minimum.

Please also bring old documents, if any. All older documents are valuable and should be collected if possible and brought to the investigation: old prescription glasses, old corneal topographies, even old lenses.

Eyelids/ Orbital surgery

Please bring old portrait photos. Our doctors want to know what your eyelids, eyebrows or orbit looked like 10, 20 and 30 years ago.

Ideally you are between 20 and 40 years of age in the pictures.

Portrait photos are ideal because you are looking straight into the camera and your head is not tilted or turned to one side.

Old travel passes or passports are sufficient: the head position on passport photos is perfect for our purposes.

The ELZA Institute