Best Retinal detachment surgery ophthalmologists: TOP 72 doctors

Place and Date of Birth

• Ergani, 1984

Language Skills

• English

Education and Experience

• 2008 Mersin University, Faculty of Medicine
• 2009-2014 Mersin University, Faculty of Medicine, Ophthalmology
• Osmaniye State Hospital 2014-2017
• Fatih Sultan Mehmet Education and Research Hospital 2017-2018
• Şehit Prof. Dr. İlhan Varank Education and Research Hospital 2018-2020

Case Experience

• Experience of over 10.000 surgical cases

Membership

• Turkish Ophthalmology Association (TOD)
• Istanbul Medical Chamber

Books

• Sevda Ertekin, Covid 19 ve göz hastalıkları, bölüm 22

AWARDS

• Sevda Ertekin/RETINA, Best research 3rd award

SEMINARS

• Sevda Ertekin, Vision Screening in Children, Osmaniye,2015
• Sevda Ertekin, Emergency Eye Diseases, Osmaniye, 2016
• Sevda Ertekin, Diabetes and Eye Health, Istanbul,2022

Medical Fields of Interest: 

Retina Diseases 

Diabetic Retinopathy, Hypertensive Retinopathy, Vascular Obstructions 

Yellow Spot Disease (Macular Degeneration), SSRP 

Intraocular (intravitreal) Injection 

Vitreoretinal Surgery 

Retinal Detachment 

Macular Surgeries (Epiretinal Membrane, Macular Hole, VMT) 

Intraocular Hemorrhages 

Cataracts 

Smart lens, toric lens 

Excimer Laser Treatments 

Lasik 

No-touch, PRK

Education: 

Uludag University, Bursa 

Kartal Training and Research Hospital, Istanbul 

Vance Thompson Vision Center, SD, USA 

Beyoglu Eye Training and Research Hospital, Istanbul 

Experience: 

Beyoglu Eye Training and Research Hospital, Istanbul 

Yeni Yuzyil University Private Gaziosmanpasa Hospital, Istanbul 

Liv Hospital Vadistanbul, Istanbul

Memberships: 

Turkish Ophthalmological Association (TOA) 

TOA Young Ophthalmologists Executive Board Membership 

TOA Medical Retina Unit Membership 

Turkish Republics Ophthalmology Society (TROS) 

European Board of Ophthalmology (EBO) 

American Academy of Ophthalmology (AAO) 

Association for Research in Vision and Ophthalmology (ARVO) 

American Society of Cataract and Refractive Surgery (ASCRS) 

Istanbul Medical Chamber (IMC)

Work Experience

• 2003-2011: Worked in public hospitals.
• 2011 - Present: Working in the private sector, currently at the Eye Clinic of Private Koru Hospital (Çukurambar).

Education

• 1999: Graduated from Ankara University Faculty of Medicine.
• 2003: Completed specialization at Ankara Training and Research Hospital Eye Clinic.

Specialization

• Cataract and Other Anterior Segment Surgeries
• Refractive Surgery
• Retinal Diseases (Experience with over 30,000 cases)

Language Skills

• English

Professional Memberships

• TOD (Turkish Ophthalmological Association)
• TCOD (Turkish Republics Ophthalmology Association)
• AAO (American Academy of Ophthalmology)

"He has experience of over 10,000 surgical cases. He has published 48 scientific articles that are included in international and national scientific indexes, and these articles have been cited more than 250 times. He has also presented 28 papers in international and national scientific meetings. His professional interests are Cataract surgery (Femtosecond laser, Trifocal, EDOF, Multifocal, Toric intraocular lenses) Refractive surgery (Femtosecond laser, Excimer laser, LASIK, LASEK, PRK, SMILE) Oculoplastic surgery (Eyelid aesthetics, ptosis, entropion, ectropion, pterygium) Medical Retina (Macular degeneration) , Diabetic retinopathy, Retinal vascular occlusion, SSR) Glaucoma (Medical and surgical treatment) Strabismus and Amblyopia Filling and Botulinum toxin applications"

Education and Training:

• 9/2009 - 7/2016: MD, Uludag University School of Medicine, Bursa, Turkey
• 3/2017 - 5/2021: Ophthalmology Residency, Beyoglu Eye Training and Research Hospital, Istanbul, Turkey
• 2/2023 - 12/2023: Research Fellowship, Johns Hopkins University, Wilmer Eye Institute, USA

Professional Experience:

• 8/2016 - 2/2017: Staff, Silivri State Hospital, Emergency Department, Istanbul, Turkey
• 7/2021 - 2/2023: Ophthalmologist, Eyupsultan State Hospital, Istanbul, Turkey
• 2/2023 - 5/2023: Ophthalmologist, New Century University, Department of Ophthalmology, Istanbul, Turkey
• 5/2023 - Present: Ophthalmologist, Medipol Acibadem Hospital, Istanbul, Turkey

Areas of Expertise and Interest:

• Keratoplasty (Penetrating and Lamellar)
• Refractive Surgery
• Cataract Surgery
• Corneal Biomechanics and Keratoconus

Education:

• Istanbul University, Faculty of Medicine

Professional and Observational Experience:

• Assistant Doctor (Ophthalmology) at Beyoğlu Eye Training and Research Hospital, 2006-2010
• Ophthalmologist at Ağrı Patnos Government Hospital, 2011-2012
• Ophthalmologist (Cataract and Refractive Surgery Department, Cornea and Ocular Surface Disease Department) at Beyoğlu Eye Training and Research Hospital, 2012-2018
• Associate Professor at University of Health Sciences, Beyoğlu Eye Research and Training Hospital, Istanbul, 2018-2024
• Professor at Acıbadem District Hospital, 2024-Present

International Diplomas:

• European Board of Ophthalmology Diploma (EBOD) 
• International Council of Ophthalmology - Basic Science, 2017
• International Council of Ophthalmology - Optics and Refraction, 2017
• International Council of Ophthalmology - Clinical Science, 2018
• International Council of Ophthalmology - Advanced, 2018 (FICO)

Certificates:

• Basic Good Clinical Practices
• Advanced Good Clinical Practices

Memberships in Scientific Organizations:

• Turkish Ophthalmology Society
  • Active Member, Cornea and Ocular Surface Department
  • Active Member, Young Ophthalmologist Department
  • Active Member, Cataract and Refractive Surgery Department

Jakub Ciecierski is a specialist in the field of ophthalmology.

The doctor admits patients as part of specialist consultations, as well as performs a number of outpatient procedures, such as: 

OCT, RNFL, Laser therapy, Fluorescein Angiography

Diseases treated:

glaucoma

cataract

eye diseases

eyesight defects

conjunctivitis

myopia

dry eye syndrome

macular degeneration

astigmatism

allergic eye diseases

The doctor admits patients as part of specialist consultations, as well as performs a number of outpatient procedures, such as:

 OCT, RNFL, Laser therapy, 

Fluorescein Angiography

Diseases treated:

• glaucoma
• cataract
• eye diseases
• eyesight defects
• conjunctivitis
• myopia
• dry eye syndrome
• macular degeneration
• astigmatism
• allergic eye diseases

EDUCATION:

2015

Uludag University, Ophthalmology

2008

Eskisehir Osmangazi University, Faculty of Medicine

2001

Kırıkkale Science High School, Numerical

EXPERIENCE:

2019 Gazi University Faculty of Medicine Ophthalmology (Vitreo-Retinal Surgery and Medical Retina Fellowship)

2016 SBÜ Zekai Tahir Burak EAH (Retinopathy of Prematurity Fellowship)/

2015 - 2023 Kocaeli Derince Training and Research Hospital

2023 - Medipol University Pendik Hospital

Theppachai Thammikasakul, M.D. Ophthalmologist

Work and Educational Experiences 

Graduated (M.D. From)

Doctor of Medicine, Faculty of Medicine, Phramongkutklao College of Medicine

Certificates

Ophthalmology Certificate, Phramongkutklao Hospital

Sub-board / Fellowship in Corneal and Refractive Surgery at Khonkaen University

Current Position

Theppachai Thammikasakul is currently working as Ophthalmologist at Intrarat Hospital

Ponpawee Jindarak, M.D.

Ophthalmologist

Graduated (M.D. From)

Doctor of Medicine, Faculty of Medicine, Chulalongkorn University

An eye care specialist. Unlike optometrists and opticians, I am a doctors of medicine (MD) or doctors of osteopathy (DO). I have specialized training and experience in diagnosing and treating eye and vision conditions.

Certificates

Certificate of Ophthalmology, Faculty of Medicine, Chulalongkorn University

International Clinical Fellowship in Glaucoma at Illinois Eye and Ear Infirmary, Department of Ophthalmology, University of Illinois, Chicago, USA

Current Positions

Ophthalmologist at Intrarat Hospital

Education :

Istanbul University, Istanbul Faculty of Medicine September 2004 – July 2010

Istanbul University, Istanbul Faculty of Medicine, Department of Orthopaedics, Residency February 2011 - April 2011 

Istanbul University, Istanbul Faculty of Medicine, Department of Ophthalmology, Residency August 2011 - March 2016

Thomas Jefferson University, Wills Eye Institute, Ocular Oncology Department, Observership August 2012 - September 2012 

Turkish Health Ministry, Hakkari State Hospital, Ophthalmology Clinic, Eye M.D July 2016 – March 2018

Van Yuzuncu Yil University, Faculty of Medicine, Ophthalmology Department, Assistant Professor, March 2018 – October 2021

Van Yuzuncu Yil University, Faculty of Medicine, Ophthalmology Department, Associate Professor, October 2021 – December 2021

Istanbul Yeni Yuzyil University, Faculty of Medicine, Ophthalmology Department, Associate Professor, January 2022 – present

Educational Qualifications :

1. International Council of Ophthalmology (ICO) Basic Sciences assessment in ophthalmology examination  passed on April 2017

2. International Council of Ophthalmology (ICO) Optics & Refraction examination passed on April 2017

3. International Council of Ophthalmology (ICO) Clinical Sciences in Ophthalmology examination passed on April 2018

4. Awarded for ICO-STAAR Surgical Three-Month Fellowship in Vitreo-Retina at the University of Kansas, Medical School, Dept. of Ophthalmology in Prairie Village, KS, USA under the supervision of Prof. Radwan Aijlan from April 6, 2020, to July 5, 2020.

5. International Council of Ophthalmology (ICO) Advanced Examination in Ophthalmology examination passed on July 2020.

6. United States Medical Licensing Examination (USMLE) Step 1 passed on January 7 2021 with 221 pts.

7. United States Medical Licensing Examination (USMLE) Step 2 CK passed on August 25 2021 with 214 pts.

Presentations & Posters :

1. 47th National Ophthalmology Congress, The effectiveness of photodynamic therapy on circumscribed choroidal hemangioma, Oral presentation, Ozer MD, Tuncer S, November 2013, Antalya, Turkey. 

2. 48th National Ophthalmology Congress, Clinical features and treatment outcomes of primary ophthalmic rhabdomyosarcoma: Tertiary center experience, Ozer MD, Ulas MG, Tuncer S, Oral presentation, November 2014, Antalya, Turkey

3. 2015 ISOO Meeting, Long-term Outcome of Combined (Perilesional Injection and Topical) Alpha-2b Therapy in the Management of Ocular Surface Squamous Neoplasia, Tuncer S, Ozer MD, Oral presentation, June 2015, Paris, France

4. 49th National Ophthalmology Congress. Clinical presentation patterns of pediatric Vogt-Koyanagi-Harada syndrome and long-term follow-up results, Kiragi D, Ozer MD, Lider-Gezer M, Oray M, Tugal-Tutkun I, Oral presentation, November 2015, Istanbul, Turkey.

5. 49th National Ophthalmology Congress, Central corneal thickness and optic disc dimensions in glaucoma patients, Bayraktar S, Ozer MD, Izgi B, Poster, November 2015, Istanbul, Turkey.

6. 49th National Ophthalmology Congress, Analysis of retinal nerve fiber layer and choroidal thickness in patients with systemic sclerosis to identify a potential risk factor for normal-tension glaucoma, Ceylan E, Ozer MD, Ekinci M, Yilmaz YC, Poster, November 2015, Istanbul, Turkey.

7. 50th National Ophthalmology Congress, Treatment of age-related macular degeneration with intravitreal Ranibizumab: Real-life experience, Cebeci Z, Yilmaz YC, Ozer D, Kir N, Oral presentation, November 2016, Antalya, Turkey

8. 51st National Ophthalmology Congress, A rarely seen complication of cataract surgery: Endocapsular Hematoma, Ozer MD, Batur M, Artuç T, Seven E, Tekin S, Poster, November 2017, Antalya, Turkey

9. 52nd National Ophthalmology Congress, Nanophthalmos Wıth Macular Folds, Yavuzer B, Batur M, Seven E, Ozer MD, Poster, November 2018, Antalya, Turkey

10. 52nd National Ophthalmology Congress, Clinical Features and Treatment Methods of Orbital Cellulite Cases, Mesen S, Tekin S, Batur M, Duzenli U, Seven E, Ozer MD, Poster, November 2018, Antalya, Turkey

11. 52nd National Ophthalmology Congress, Case Series: Ocular Chemical Burns, Tekin S, Artuç T, Batur M, Ozer MD, Poster, November 2018, Antalya, Turkey

12. 52nd National Ophthalmology Congress, Sensory-Neural Hearing Loss affecting Low frequencies in Patients with Pseudoexfoliation, Ozer MD, Batur M, Duzenli U, Seven E, Tekin S, Poster, November 2018, Antalya, Turkey

13. 52nd National Ophthalmology Congress, Silicone tube intubation by Ritleng stent in children over two years of age with nasolacrimal duct obstruction, Ocal H, Seven E, Tekin S, Ozer MD, Batur M, Poster, November 2018, Antalya, Turkey

14. 52nd National Ophthalmology Congress, Cherry Red Spot Appearance in Macula and Alkaptonuria: A Case Report, Mesen S, Batur M, Ozer MD, Tekin S, Poster, November 2018, Antalya, Turkey

15. 52nd National Ophthalmology Congress, A Rare Complication in Intravitreal Dexamethasone Implantation: Implant Migration to the Anterior Chamber, Gulbay S, Batur M, Ozer MD, Tekin S, Poster, November 2018, Antalya, Turkey

16. 52nd National Ophthalmology Congress, Effect of Coenzyme Q10 Eye Drop on Corneal Wound Healing in Bacterial Keratitis Treatment, Batur M, Seven E, Tekin S, Ozer MD, Oral presentation, November 2018, Antalya, Turkey

17. 19th Euretina Congress, Effect of reduced production of aqueous humor on bacterial growth potential in rabbit eyes, Batur M, Ozer M, Tekin S, Oral presentation, September 2019, Paris, France

18. 53rd National Ophthalmology Congress, Evaluation of the clinical features of patients with hyphema due to blunt trauma, Seven E, Kebapci F, Tekin S, Batur M, Ozer MD, Oral presentation, November 2019, Antalya, Turkey

19. 53rd National Ophthalmology Congress, Adherence to drop therapy and the relationship of compliance with progression in glaucoma patients, Tekin S, Ocal H, Seven E, Batur M, Ozer MD, Poster, November 2019, Antalya, Turkey

20. 53rd National Ophthalmology Congress, Bilateral sudden-transient vision loss after central venous catheter removal, Altas AS, Batur M, Sayir F, Seven E, Tekin S, Ozer MD, Poster, November 2019, Antalya, Turkey

21. 53rd National Ophthalmology Congress, Clinical Evaluation of Argon Laser Photocoagulation Therapy in Patients with Retinal Tears, Ocal H, Seven E, Batur M, Tekin S, Ozer MD, Poster, November 2019, Antalya, Turkey

22. 53rd National Ophthalmology Congress, Macular damage due to laser epilation: a case report, Batur M, Ocal H, Ozer MD, Seven E, Tekin S, Poster, November 2019, Antalya, Turkey

23. 53rd National Ophthalmology Congress, Phototoxic Maculopathy Due to Extreme Usage of Infrared Illuminator Assembled Night Vision Handheld Scope, Ozer MD, Batur M, Seven E, Tekin S, Savasan M, Poster, November 2019, Antalya, Turkey

24. 54th National Ophthalmology Congress, Internal Ophthalmolplegia after Chickenpox Infection, Gedik AC, Ozer MD, Poster, November 2020, Virtual, Turkey.

Work Experience :

1. Phase II Study to Analyze Sarilumab in Non-Infectious Uveitis (SARILNIUSATURN-Sanofi), Sub-Investigator (Principle investigator: Prof. Dr. Ilknur Tugal-Tutkun)

2. Efficacy of Gevokizumab in the Treatment of Patients With Behçet's Disease Uveitis (EYEGUARD-A&C-Servier), Sub-Investigator (Principle investigator: Prof. Dr. Ilknur Tugal-Tutkun)

3. A Randomized, Double-masked, Placebo-controlled Study of the Efficacy of Gevokizumab in the Treatment of Patients With Behçet's Disease Uveitis (EYEGUARD-B-Servier), Sub-Investigator (Principle investigator: Prof. Dr. Ilknur Tugal-Tutkun)

4. A 12-month, randomized, double-masked, sham-controlled, multicenter study to evaluate the efficacy and safety of 0.5 mg ranibizumab intravitreal injections due to vascular endothelial growth factor (VEGF) driven macular edema (RFB002-Novartis), Injection sub-investigator (Principle investigator: Prof. Dr. Nur Kir)

5. A Phase III multicenter, randomized, double-masked, sham-controlled study to assess the efficacy and safety of Lampalizumab administered intravitreally to patients with geographic atrophy secondary to age-related macular degeneration (GX29176-Roche), Photographer (Principle investigator: Prof. Dr. Nur Kir)

Selected as an active member of the Turkish Ophthalmological Association, Young Ophthalmologist Council, 2020 - present

Birthplace and Date

Ankara, 1975

Foreign Languages

English

Education and Experience

1999 Ankara University Faculty of Medicine

2004 Istanbul University Cerrahpaşa Faculty of Medicine Department of Ophthalmology

2012 Yeditepe University Faculty of Medicine Department of Ophthalmology, Lecturer

Case Experience

13 years of active ophthalmology practice.

Associations Membership

Turkish Ophthalmology Association (TOD)

Turkish Ophthalmology Association Medical Retina Unit active member

European Vitreoretinal Society (EVRS)

European Society of Retina Specialists (EURETINA)

International Society for Clinical Electrophysiology of Vision (ISCEV)

European Society of Cataract and Refractive Surgeons (ESCRS)

CV

Place and Date of Birth

Kırşehir, 1984

Foreign Languages

English

Education and Experience

Ankara University Faculty of Medicine, 2008

Hacettepe University Faculty of Medicine, 2015 (Specialization)

Mardin State Hospital 2015-2018

Kayseri City Hospital 2018-2022

SBÜ Gülhane Training and Research Hospital 2019-2020

Başakşehir Çam and Sakura City Hospital 2022-2024

Ludwig Maximilian University (Germany – Munich) 2022-2023

Case Experience

Active ophthalmologist for 9 years, over 5,000 case experience

Associations of which he is a member

Turkish Ophthalmology Association

Turkish Medical Association

Certificates

European Board of Ophthalmology (FEBO) (2018)

International Council of Ophthalmology, Basic Science(2018)

International Council of Ophthalmology, Optic and Refraction(2018)

International Council of Ophthalmology, Clinical Science (2019)

International Council of Ophthalmology, Advanced Clinical Exam (FICO)(2020)

Books

1. Esra Vural, A Hakan Durukan. Retinal Prostheses. Innovative Health. Academician Publishing House

2. Esra Vural. Riboflavin in Corneal Crosslinking. Corneal Crosslinking Treatment. Anadolu Bookstore

Education

Gülhane Military Medical Academy, Gülhane Military Medical Faculty, 2014, Medical Doctor
Gülhane Training and Research Hospital, 2019, Ophthalmology Specialist

Experience

Azerbaijan Armed Forces Central Military Hospital, 2019-2021
Private Hospitalist Hospital, 2021
Beylikduzu Kolan Hospital, 2021-2022

Scientific Memberships

Practical Approaches in Ophthalmology
TOD April Course (Cornea, Refractive Surgery and Contact Lens)
Glaucoma Skill Transfer Laboratory Course
Esat IŞIK Applied Optics, Refraction and Low Visionrme Rehabilitation Course
TOD April Course (Uvea Diseases)
Academy for Eyecare Excellence (Contact Lens Basic Application Principles)
Cataract and Refractive Surgery BILEP Course
TOD 52nd National Congress
TOD 40th Winter Symposium (Applications in Refraction)
Professional Memberships:

TOD (Turkish Ophthalmology Association)

Certificates:

International Council of Ophthalmology (ICO) - The Basic Science Examination in Ophthalmology Exam
International Council of Ophthalmology (ICO) - The Optics and Refraction Examination in Ophthalmology Exam

Medical Intrests

• Corneal Diseases
• Refractive Surgery
• Cataract Surgery
• Oculoplastic Surgery
• Glaucoma

Dr. Yannuzzi is founder of VRMNY as well as vice-chairman and director of the LuEsther T. Mertz Retinal Research Center of the Manhattan Eye, Ear & Throat Hospital. He is also founder and president of The Macula Foundation, Inc., which has distributed several million dollars to eye research across the country.

Dr. Yannuzzi has made numerous innovative and lasting contributions in imaging, drug development, and therapeutic modalities. He was the first to use oral non-steroid anti-inflammatory medication for the treatment of cystoid macular edema and developed an eye drop to treat this condition. He has described new diseases as well as new associations and manifestations of established entities and photosensitization.

He has published over 400 scientific papers and 13 books, which have earned him respect and admiration in the ophthalmic-retinal community. He is well recognized as a devoted and excellent educator, a superb clinical diagnostician, and a prolific organizer of retinal meetings worldwide.

Dr. Yannuzzi is the recipient of numerous awards, including an honorary doctorate by the University of Ancona, the Michelson Award for Retinal Vascular Disease, a Distinguished Alumnus Award by Boston University, the Henkind, Gass, and Patz Medals by The Macula Society, the Alcon Research Award, the Herman Wacker Award of the Club Jules Gonin, the Arthur J. Bedelle Award, the Retinal Research Award and the Gass Medal of the Retina Society, the Bietti Medal, the Pisart Award from the Lighthouse International, and the Lifetime Achievement Award by the American Academy of Ophthalmology.

Vitreous Retina Macula Consultants of New York
950 3rd Ave 3rd floor,
New York, NY 10022
Web Address https://www.vrmny.com/

Manhattan, NY https://www.vrmny.com/locations/manhattan/

Our Location on the map: https://goo.gl/maps/v9rE1BWBd6tsFgPaA

https://plus.codes/87G8Q26J+3R New York

Nearby Locations:
Manhattan, NY
Lenox Hill | Upper East Side | Midtown East | Upper West Side
10021 | 10022 | 10023

Working Hours:
Monday-Friday: 8am - 5pm

Payment: cash, check, credit cards.

Dr. Cooney is a practicing vitreoretinal surgeon who was previously an assistant professor of ophthalmology at Johns Hopkins University and later became the director of the Medical Retina Service, the Duke Center for Macular Degeneration, and the medical retina fellowship program from 2001 to 2005. He received a MBA degree from Kenan-Flagler Business School at the University of North Carolina, Chapel Hill.

About

Dr. Cooney serves as a consultant and advisory board member for several pharmaceutical companies. In 1998, Dr. Cooney helped to establish InnoRx, an ophthalmic drug delivery and pharmaceutical company acquired by SurModics and served as a consultant from 2000 to 2002.

Clinical Practice

Dr. Cooney’s clinical practice focuses on the medical and surgical treatment of vitreoretinal diseases, particularly age-related macular degeneration and diabetic retinopathy. He is actively involved in the clinical development of new diagnostic and therapeutic modalities for vitreoretinal disease and the training of residents and fellows.

Education
Undergraduate: Siena College
Medical School: Columbia University
Ophthalmology Residency: Johns Hopkins University
Vitreoretinal Surgical Fellowship: Johns Hopkins University
MBA: University of North Carolina

Academic Appointments
Clinical Assistant Professor of Ophthalmology,

Innovations
Helped establish InnoRx, an ophthalmic drug delivery and pharmaceutical company acquired by SurModics

https://www.vrmny.com/wp-content/uploads/2021/12/Cooney-CV.pdf

Vitreous Retina Macula Consultants of New York
110 Lafayette St, Suite 502
New York, NY 10013
Web Address https://www.vrmny.com/

Manhattan, NY https://www.vrmny.com/locations/downtown-manhattan/

Our Location on the map: https://goo.gl/maps/QT1BMFr3djLXn6427

https://plus.codes/87G7PX9X+7J New York

Nearby Locations:
Lower Manhattan | Little Italy | Chinatown | Civic Center | Tribeca | SoHo
10013 | 10012 | 10007 | 10002

Working Hours
Monday-Friday: 8am - 5pm

Payment: cash, check, credit cards.