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Research facility · Chandigarh · India

Grewal Eye Institute

gei.co.inROR OpenAlex
Research works
34
▲ 26% vs 2018-21
Citations
842
24.7 per fractional work
Top-10% rate
9.1%
all institutions 10.0%
Open access
40%
world 40%
International
31%
world 18%
Grewal Eye Institute

Not ranked overall: Grewal Eye Institute is under the volume floor below which an excellence rate is noise. Not ranked is not the same as ranked last.

Which fields of science does Grewal Eye Institute work in?

In all years, 92% of research at Grewal Eye Institute is in Health Sciences, 7% in Life Sciences. Its largest fields are Medicine (92%), Biochemistry, Genetics and Molecular Biology (6%), Immunology and Microbiology (1%). It does 3.1× the world's share of Health Sciences.

Health Sciences: 31 fractional works · 92.1% of its workMedicine: 31 fractional works · 92.1% of its workOphthalmology: 15 fractional works · 42.6% of its workRadiology, Nuclear Medicine and Imaging: 7 fractional works · 21.6% of its workEpidemiology: 2 fractional works · 7.1% of its workSurgery: 2 fractional works · 5.4% of its workDermatology: 1 fractional works · 3.8% of its workPublic Health, Environmental and Occupational Health: 1 fractional works · 3.7% of its workPulmonary and Respiratory Medicine: 1 fractional works · 3.1% of its workPathology and Forensic Medicine: 1 fractional works · 1.7% of its workRheumatology: 0 fractional works · 1.0% of its workNeurology: 0 fractional works · 0.8% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.6% of its workPhysiology: 0 fractional works · 0.5% of its workLife Sciences: 2 fractional works · 6.9% of its workBiochemistry, Genetics and Molecular Biology: 2 fractional works · 6.0% of its workGenetics: 1 fractional works · 3.2% of its workMolecular Biology: 0 fractional works · 1.3% of its workCell Biology: 0 fractional works · 1.0% of its workDevelopmental Biology: 0 fractional works · 0.5% of its workImmunology and Microbiology: 0 fractional works · 1.0% of its workMicrobiology: 0 fractional works · 0.5% of its workParasitology: 0 fractional works · 0.5% of its workSocial Sciences: 0 fractional works · 1.0% of its workSocial Sciences: 0 fractional works · 1.0% of its workCultural Studies: 0 fractional works · 1.0% of its workALL ITS WORKGrewal EyeInstitute34fractional works, all years
Life Sciences7%Health Sciences92%Social Sciences1%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 3 domains and 4 fields, with their numbers
    1. Medicine3192.1%
    1. Biochemistry, Genetics and Molecular Biology26.0%
    2. Immunology and Microbiology01.0%
    1. Social Sciences01.0%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Who are the top researchers at Grewal Eye Institute?

Ranked on the quality score, Gagandeep Singh Brar, Satinder Pal Singh Grewal and Rajeev Jain lead among researchers whose main affiliation is Grewal Eye Institute.

  1. 1 Gagandeep Singh Brar India · #1,881,885 worldwide 301 citations · 27 works
  2. 2 Satinder Pal Singh Grewal India · #2,451,890 worldwide 1.3k citations · 48 works
  3. 3 Rajeev Jain India · #2,921,113 worldwide 1.1k citations · 36 works
  4. 4 Manpreet Brar India · #3,385,825 worldwide 686 citations · 44 works
  5. 5 Mansi Sharma India · #4,173,452 worldwide 200 citations · 16 works
All ranked researchers at Grewal Eye Institute

What are the most cited papers from Grewal Eye Institute?

The most cited paper from Grewal Eye Institute is "Corneal collagen crosslinking using riboflavin and ultraviolet-A light for keratoconus" (Dilraj Singh Grewal, Gagandeep Singh Brar, Rajeev Jain et al., 2009), with 180 citations. Next come "Correlation of Nuclear Cataract Lens Density Using Scheimpflug Images with Lens Opacities Classification System III and Visual Function" (160) and "Evaluation of Subconjunctival Bevacizumab as an Adjunct to Trabeculectomy" (143).

Most cited papers
#PaperReleasedCitations
1 Corneal collagen crosslinking using riboflavin and ultraviolet-A light for keratoconus Dilraj Singh Grewal, Gagandeep Singh Brar, Rajeev Jain et al. · Journal of Cataract & Refractive Surgery 28 Feb 2009 180
2 Correlation of Nuclear Cataract Lens Density Using Scheimpflug Images with Lens Opacities Classification System III and Visual Function Dilraj Singh Grewal, Gagandeep Singh Brar, Satinder Pal Singh Grewal · Ophthalmology 5 Jun 2009 160
3 Evaluation of Subconjunctival Bevacizumab as an Adjunct to Trabeculectomy Dilraj Singh Grewal, Rajeev Jain, Harsh Kumar et al. · Ophthalmology 10 Aug 2008 143
4 Assessment of central corneal thickness in normal, keratoconus, and post-laser in situ keratomileusis eyes using Scheimpflug imaging, spectral domain optical coherence tomography, and ultrasound pachymetry Dilraj Singh Grewal, Gagandeep Singh Brar, Satinder Pal Singh Grewal · Journal of Cataract & Refractive Surgery 22 May 2010 80
5 Comparison of Scheimpflug imaging and spectral domain anterior segment optical coherence tomography for detection of narrow anterior chamber angles Dilraj Singh Grewal, Gagandeep Singh Brar, Rajeev Jain et al. · Eye Open access 18 Feb 2011 71
All 68 most cited papers, with filters and sorting

Which keywords describe research at Grewal Eye Institute?

By fractional works in all years, weighted toward what it does more of than the world: Glaucoma, Intraocular Pressure, Optical Coherence Tomography, Myopia, Epidemiology, Optic Nerve, Femtosecond Laser and Intraocular Lens Implantation.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in all years in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 34 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 34 words, with their numbers
  1. Glaucoma8▲ 146×3 topics
  2. Intraocular Pressure6▲ 180×2 topics
  3. Epidemiology6▲ 4.3×9 topics
  4. Optical Coherence Tomography5▲ 129×2 topics
  5. Myopia4▲ 208×2 topics
  6. Femtosecond Laser4▲ 176×1 topic
  7. Intraocular Lens Implantation4▲ 329×1 topic
  8. Optic Nerve4▲ 119×2 topics
  9. Ocular Hypertension4▲ 157×1 topic
  10. Retinal Ganglion Cells4▲ 77×1 topic
  11. Corneal Biomechanics3▲ 220×1 topic
  12. Intravitreal Injection3▲ 124×2 topics
  13. Keratoconus3▲ 220×1 topic
  14. Vascular Endothelial Growth Factor3▲ 78×2 topics
  15. Inflammation3▲ 3.2×4 topics
  16. Macular Hole3▲ 297×1 topic
  17. Vitreoretinal Surgery3▲ 297×1 topic
  18. Diabetic Retinopathy2▲ 88×2 topics
  19. Macular Degeneration2▲ 59×2 topics
  20. Oxidative Stress2▲ 3.2×1 topic
  21. Refractive Error2▲ 150×1 topic
  22. Retinal Pigment Epithelium2▲ 118×1 topic
  23. Visual Impairment2▲ 123×1 topic
  24. Endophthalmitis2▲ 133×2 topics
  25. Genetic Mutations2▲ 9.2×5 topics
  26. COVID-191▲ 6.3×1 topic
  27. Ocular Findings1▲ 164×1 topic
  28. Dermal Fillers1▲ 208×1 topic
  29. Hyaluronic Acid1▲ 208×1 topic
  30. Dry Eye Disease1▲ 100×1 topic
  31. Ocular Surface1▲ 100×1 topic
  32. Behçet's Disease1▲ 119×1 topic
  33. Uveitis1▲ 119×1 topic
  34. Antibiotic Resistance1▲ 7.5×2 topics

Which research topics does Grewal Eye Institute publish most on?

By volume in 2022-now: Retinal and Optic Conditions, Facial Rejuvenation and Surgery Techniques, Retinal Diseases and Treatments and Retinal and Macular Surgery.

Retinal and Optic Conditions: 1 fractional worksFacial Rejuvenation and Surgery Techniques: 1 fractional worksRetinal Diseases and Tre…1Retinal Diseases and Treatments: 1 fractional worksRetinal and Macular Surg…1Retinal and Macular Surgery: 1 fractional worksOcular Diseases and Behçet’s Syndrome: 1 fractional worksRetinopathy of Prematurity Studies: 1 fractional worksNeonatal Respiratory Hea…1Neonatal Respiratory Health Research: 1 fractional worksGlaucoma and retinal disorders: 0 fractional worksIntraocular Surgery and Lenses: 0 fractional worksVasculitis and related conditions: 0 fractional works
OphthalmologyDermatologyRadiology, Nuclear Medicine and ImagingPulmonary and Respiratory Medicine

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Retinal and Optic Conditions Ophthalmology 1 works
  2. 2 Facial Rejuvenation and Surgery Techniques Dermatology 1 works
  3. 3 Retinal Diseases and Treatments Ophthalmology 1 works
  4. 4 Retinal and Macular Surgery Radiology, Nuclear Medicine and Imaging 1 works
  5. 5 Ocular Diseases and Behçet’s Syndrome Ophthalmology 1 works
  6. 6 Retinopathy of Prematurity Studies Radiology, Nuclear Medicine and Imaging 1 works
  7. 7 Neonatal Respiratory Health Research Pulmonary and Respiratory Medicine 1 works
  8. 8 Glaucoma and retinal disorders Ophthalmology 0 works
  9. 9 Intraocular Surgery and Lenses Ophthalmology 0 works
  10. 10 Vasculitis and related conditions Pulmonary and Respiratory Medicine 0 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available40.4%not open59.6%

World: 40% of research is openly available.

with international co-authors30.6%domestic only69.4%

World: 18% is written across borders.

How has Grewal Eye Institute's research output changed?

Output in 2022-2025 was 26% higher than in 2018-2021.

still counting20052010201520202025
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Grewal Eye Institute as a percentage of every work published that year, 0.000054% in 2024.

still counting0.000050%0.00010%0.00015%Grewal Eye Institute0.000014% in 202520102020

Fractional works of Grewal Eye Institute over all fractional works that year. How the balance of science has shifted.

Other research institutions in Chandigarh

All research institutions in Chandigarh

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

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