August Siegrist (20 May 1865, Basel – 13 December 1947) was a Swiss ophthalmologist remembered for describing Siegrist streaks.
 He trained at Basel, Zurich, Lausanne, Vienna and Bern, where he received his M.D. in 1892.
 He studied further in Bern under Emil Theodor Kocher and in Vienna under Ernst Fuchs.
 He was habilitated in ophthalmology at Basel in 1900, and in 1903 succeeded Ernst Pflüger as professor of ophthalmology and director of the eye clinic at the University of Bern.
 He maintained these positions at Bern up until 1935.
 He worked on the correction of keratoconus including the use of early contact lenses.
Dr Abhay R. Vasavada started Raghudeep Eye Clinic (REH) - as a cataract speciality centre in 1984 Ahmedabad, India.
 He is the first Indian and only the second Asian to be awarded the Binkhorst Medal Lecture by the American Society of Cataract & Refractive Surgeons (ASCRS) in 2011 .
 This medal is one of the highest honours conferred for an outstanding contribution in the field of Ophthalmology.
Esther Ayuso (born November 1958) was the first female Belizean architect.
 She is known for her designs to improve hospitals in Belize including Belize Medical Associates, the Cleopatra White Polyclinic, Matron Robert polyclinic, the Hoy Eye Clinic and the PICU/NICU wing of Karl Heusner Memorial Hospital due to be completed in 2015.
 She has served as a Senator and as the Chair of the National Women's Commission, as well as the Belizean delegate to the Inter-American Commission of Women.
 In 2015 she was awarded the Most Excellent Order of the British Empire for contributions to the community.
Wills Eye Hospital is a non-profit eye clinic and hospital in Philadelphia, Pennsylvania.
 It was established in 1832 and is the oldest continually operating eye-care facility in the United States.
 It is affiliated with the medical school of Thomas Jefferson University.
Ahmedabad ( ), also known as Amdavad or Karnavati, is the largest city and former capital of Gujarat, which is a state in India.
 It is the administrative headquarters of the Ahmedabad district and the seat of the Gujarat High Court.
 With a population of more than 6.3 million and an extended population of 7.8 million, it is the sixth largest city and seventh largest metropolitan area of India.
 Ahmedabad is located on the banks of the Sabarmati River, 30 km from the state capital Gandhinagar, which is its twin city.
Alfred Vogt received his doctorate from the University of Basel in 1904.
 After training in ophthalmology under professor Karl Mellinger in Basel, Vogt started private practice in 1906.
 In 1909 he was appointed head physician of the ophthalmological department of the cantonal hospital in the city of Aarau.
 In 1917 he was appointed professor extraordinarius and director of the University of Basel's eye clinic.
 In 1923 he was appointed professor ordinarius and director of the University of Zurich's eye clinic.
Brig.Sahib Dad Khan was an important personality of Panjan Kissana.
 He belonged to Pakistan People Party.
 he was also communication minister of Punjab, Pakistan.
His four sons have started a welfare trust in his memory with the name Brig. Sahib Dad Khan Welfare Trust.
 The first project of the trust is named as "Karam Bagh".
 This project consists of One Free Eye Clinic which will later be converted into a complete Eye Hospital, One Primary and Secondary School and one College which will provide free education to local students.
 One Technical Training College is also under construction which will provide one year City & Guilds London Certified Diploma to Local students.
 Further details can be found on their official website.
 i.e www.karambagh.org
Marc Amsler (born February 5, 1891 in Vevey, Switzerland – died May 3, 1968) was a professor of ophthalmology in the Eye Clinic at the University of Zurich.
Gustavo E. Tamayo is a Colombian ophthalmologist known for developing a refractive surgery method known as Contoured Ablation Patterns (CAP), which enables doctors to make surgeries faster and at an easier rate.
 Tamayo has also developed and patented a procedure to treat presbyopia, which is at the moment being tested by AMO (Abbott Medical Optics) in order to massively apply this procedure in a global manner once approved by the FDA.
 He also has other patents dealing with cataract removal through laser application.
 Dr. Tamayo was designated subdirector of the Subspecialty Refractive Surgery Day at American Academy of Ophthalmology meeting in 2008 which took place in Atlanta and was appointed director for the same meeting in its 2009 edition.
 He is the president and founder of a surgical eye clinic in the north of Bogotá founded in 2001 called Bogota Laser Ocular Surgery Center.
 Dr. Gustavo E. Tamayo, M.D. also serves as a Member of the Medical Advisory Board at AMO, Presbia, Keramet and currently serves as the Medical Director for Latin America of Avedro.
 Dr. Tamayo is a member of various medical associations, including the American Academy of Ophthalmology, The Cornea Society, and both the American and European Societies of Cataract & Refractive Surgery.
Matha Ayurveda Eye Hospital is an Ayurvedic eye clinic and hospital in Trivandrum (Thiruvananthapuram), Kerala, India.

Question: In what state's capital did Abhay R. Vasavada start Raghudeep Eye Clinic?
Answer: Gujarat