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Stefan Sacu
27
years of experience

Stefan Sacu

  • Specialization: Ophtalmologist
  • 27 years of experience
  • Speaks:
    German, English
  • Workplace: Austria, Vienna, Wiener Privatklinik (WPK)
  • Professor of Ophthalmology and Senior Consultant at the Department of Ophthalmology, Medical University of Vienna

    Dr. Stefan Sacu is a senior consultant at Wiener Privatklinik and a Professor at the Medical University of Vienna. He specializes in retinal diseases, cataract surgery, and vitreoretinal disorders. Dr. Sacu developed imaging techniques that are now benchmarks in ophthalmic diagnostics. He treats complex conditions like macular degeneration and diabetic retinopathy.

    • Performs complex procedures including vitrectomy, macular hole repair, and retinal detachment surgery.
    • Authored numerous scientific publications on retinal imaging and intraocular surgery.
    • Contributes to international guidelines for modern retinal care.
    • Works at Wiener Privatklinik, ranked among the World's Best Hospitals by Newsweek.
4.6
Excellent score
20 patient verified reviews
1 star
5%
2 stars
5%
3 stars
15%
4 stars
15%
5 stars
60%

Patient reviews

About clinic Wiener Privatklinik (WPK)
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1-5 of 20 reviews
Аleksandr • Dialysis
Ukraine
Jun 23, 2026
Verified review.
The support from the clinic since I started treatment has been brilliant
What worried me most was what haemodialysis would actually be like and how I would feel. But my doctor was honest about what to expect and explained the whole process very clearly, including the diet and fluid restrictions. As it turns out, I feel better than I expected. I’ve been prescribed three sessions a week, and the support from the clinic since I started treatment has been brilliant. They’re always available, they’ve checked in on how I’m feeling and given me clear instructions. Importantly, there were no additional costs. My advice to future patients would be to prioritise their health above all else.
Everything's fine.
Anonymous • Surgery
Ukraine
Jul 5, 2026
Verified review.
Thank you to your organisation and to you personally, as well as to Angelica from the host organisation, for your help!
I suppose I’d give it a 4.8, really. But that wasn’t down to you. The doctor saw me an hour and a half after the scheduled time. However, the consultation was very informative. Thank you to your organisation and to you personally, as well as to Angelica from the host organisation, for your help!
Anonymous • CT scan of the whole body
Slovenia
Jun 2, 2026
Verified review.
Given how positive my experience was, I would definitely recommend this clinic to anyone needing similar care
My biggest concern was the anxiety around getting a full-body CT scan, but that worry disappeared quickly. From the moment I walked in, the staff made me feel comfortable and explained every single step, which was incredibly reassuring. The clinic was clean and organized, and the medical team was both professional and genuinely kind throughout the entire process. Everything went smoothly. Given how positive my experience was, I would definitely recommend this clinic to anyone needing similar care. I'm grateful for how they handled my case with such efficiency and compassion.
Nothing
Anonymous • PET/CT
Ukraine
May 15, 2026
Verified review.
My experience has been entirely negative. The treatment prescribed did not follow the standard protocol for this condition. Under this treatment, the condition only worsened. I was given information about the most effective treatment currently used worldwide. I never received the doctor’s conclusion following the consultation, even though I asked for it several times. And on top of everything else, judging by the result, it wasn’t worth €500. A treatment that doesn’t work, with no documentation whatsoever. Just a conversation with a professor to whom you have to ask a thousand questions and figure out the treatment options for your condition yourself, because he offers nothing and explains nothing.
Speed of service delivery
The treatment recommended by the professor at the Austrian clinic was completely at odds with standard treatment protocols I never received the discharge summary, even though I had asked for it several times
Tetyana • Metastases in the liver
Ukraine
Apr 19, 2026
Verified review.
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Qualifications

Prof. Dr. Stefan Sacu is an Austrian eye surgeon. He is a Professor of Ophthalmology at the Medical University of Vienna. Dr. Sacu specializes in retinal diseases, cataract surgery, and vitreoretinal research.

Surgical Specialization and Methods

The doctor treats complex disorders of the retina and vitreous body. He performs surgeries to restore vision in patients with severe eye conditions. Vitreous body refers to the clear gel that fills the space between the lens and the retina.

  • Vitreoretinal surgery and vitrectomy — a procedure that removes the vitreous gel to treat retinal problems
  • Macular hole repair and retinal detachment surgery
  • Cataract surgery including IOLs implantation
  • Treatment for macular degeneration and diabetic retinopathy
  • Treatment of keratoconus, strabismus, and vitreous body destruction

Dr. Sacu uses imaging techniques that serve as benchmarks for ophthalmic diagnostics. These tools allow for precision during intraocular surgery. This approach helps improve visual outcomes for patients with macular disease.

Work Experience

  • Today – Senior Consultant at Wiener Privatklinik, Vienna
  • 2010s – Senior Consultant at the Department of Ophthalmology, Medical University of Vienna
  • 2010s – Professor of Ophthalmology, Medical University of Vienna
  • 2000s – Specialist in retinal surgery and medical retina

Education and Academic Background

  • 1990s – University of Vienna – Medical degree
  • 1990s – Medical University of Vienna – Residency in ophthalmology and optometry

Research and Recognition

Dr. Sacu contributes to the development of international guidelines for retinal care. He also serves as an educator and trains new generations of ophthalmic surgeons in Austria. Additionally, the specialist participates in global research collaborations.

His scientific publications cover several core topics:

  • Retinal imaging
  • Intraocular surgery
  • Macular disease therapy

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