Why different toric models have different amounts of cylinder correction at the corneal plane
quickguide_subha
Why different toric models have different amounts of cylinder correction at the corneal plane
4:38
Complete guide to IOL power calculation with Barrett Toric Calculator
quickguide_subha
Complete guide to IOL power calculation with Barrett Toric Calculator
15:13
How EDOF IOL optics work to provide intermediate vision/follow quickguide.org for more explanation
quickguide_subha
How EDOF IOL optics work to provide intermediate vision/follow quickguide.org for more explanation
27:04
Explaining Tecnis PureSee IOL optics
quickguide_subha
Explaining Tecnis PureSee IOL optics
8:36
Why some patients are unhappy with near with multifocal IOLs after cataract surgery/quickguide.org
quickguide_subha
Why some patients are unhappy with near with multifocal IOLs after cataract surgery/quickguide.org
7:46
Understanding iTrace aberrometry reports
quickguide_subha
Understanding iTrace aberrometry reports
8:39
Explaining TORIC IOL Power distribution from the lens box
quickguide_subha
Explaining TORIC IOL Power distribution from the lens box
8:45
Gurukul 2025- An interview with Dr CM Wavikar and Dr Deepak Megur
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Gurukul 2025- An interview with Dr CM Wavikar and Dr Deepak Megur
9:52
Which EDOF IOL works best in case of refractive surprise
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Which EDOF IOL works best in case of refractive surprise
5:28
What's new in Alcon Unity Phaco Machine       (follow quickguide.org)
quickguide_subha
What's new in Alcon Unity Phaco Machine (follow quickguide.org)
6:43
Patient selection for multifocal IOLs             (follow quickguide.org for more information)
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Patient selection for multifocal IOLs (follow quickguide.org for more information)
6:39
Why some patients may still have astigmatism even after TORIC IOL implantation
quickguide_subha
Why some patients may still have astigmatism even after TORIC IOL implantation
6:14
Astigmatism fundamentals you should know!!
quickguide_subha
Astigmatism fundamentals you should know!!
14:50
Tecnis Eyhance vs Vivinex Impress- which IOL work better for cataract patients? New evidence is out!
quickguide_subha
Tecnis Eyhance vs Vivinex Impress- which IOL work better for cataract patients? New evidence is out!
10:10
Depth of focus vs image quality  EDOF #iols
quickguide_subha
Depth of focus vs image quality EDOF #iols
8:16
Tecnis Odyssey IOL-  What to expect
quickguide_subha
Tecnis Odyssey IOL- What to expect
12:01
Does chromatic aberration correction, increase glare in multifocal IOL?
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Does chromatic aberration correction, increase glare in multifocal IOL?
11:28
Enhancing Toric IOL Outcomes with Biometry            (follow quickguide.org)
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Enhancing Toric IOL Outcomes with Biometry (follow quickguide.org)
15:42
Ideal pupil size for a multifocal IOL                  (follow quickguide.org)
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Ideal pupil size for a multifocal IOL (follow quickguide.org)
8:48
How long does it take for a hydrophobic IOL to adhere to posterior capsule?        (quickguide.org)
quickguide_subha
How long does it take for a hydrophobic IOL to adhere to posterior capsule? (quickguide.org)
9:03
A constant conversion from ultrasound to optical biometry          (follow quickguide.org)
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A constant conversion from ultrasound to optical biometry (follow quickguide.org)
4:29
How does the #panoptix  Pro utilize more light?            (follow quickguide.org)
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How does the #panoptix Pro utilize more light? (follow quickguide.org)
11:15
Why some patients are not happy with EDOF IOL         (follow quickguide.org)
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Why some patients are not happy with EDOF IOL (follow quickguide.org)
8:57
IOL optic configuration and relation with refractive surprise with a IOL  (follow quickguide.org)
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IOL optic configuration and relation with refractive surprise with a IOL (follow quickguide.org)
9:05
Best TORIC IOL haptic designs for rotational stability      (follow quickguide.org)
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Best TORIC IOL haptic designs for rotational stability (follow quickguide.org)
6:33
Factors that help patients to read with a monofocal IOL
quickguide_subha
Factors that help patients to read with a monofocal IOL
7:05
Does axial length based on segmented refractive index help improve outcomes?
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Does axial length based on segmented refractive index help improve outcomes?
7:55
Does ocular biomechanics influence IOL refractive outcome?  (follow quickguide.org)
quickguide_subha
Does ocular biomechanics influence IOL refractive outcome? (follow quickguide.org)
6:47
Extended depth of focus (EDOF) with negative spherical aberration IOLs  (follow quickguide.org)
quickguide_subha
Extended depth of focus (EDOF) with negative spherical aberration IOLs (follow quickguide.org)
7:21
Understanding Defocus Curve  (follow quickguide.org)
quickguide_subha
Understanding Defocus Curve (follow quickguide.org)
15:37
Cylinder correction (follow quickguide org) #iols #cataractsurgery #eyesurgery #spectacle
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Cylinder correction (follow quickguide org) #iols #cataractsurgery #eyesurgery #spectacle
1:56
Quick guide to angle kappa & angle alpha  (follow quickguide.org)
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Quick guide to angle kappa & angle alpha (follow quickguide.org)
7:46
IOL Power Calculation/Biometry Part II - Axial length (follow quickguide.org)
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IOL Power Calculation/Biometry Part II - Axial length (follow quickguide.org)
33:51
Explaining Isopure IOL from BVI  (follow quickguide.org)
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Explaining Isopure IOL from BVI (follow quickguide.org)
8:00
Guide to cataract surgery steps   (follow quickguide.org)
quickguide_subha
Guide to cataract surgery steps (follow quickguide.org)
21:06
Describing Tecnis PureSee IOL   | quickguide.org
quickguide_subha
Describing Tecnis PureSee IOL | quickguide.org
9:30
Guide to diffractive multifocal  IOL  optics    (originally presented at the 47th SIMASP)
quickguide_subha
Guide to diffractive multifocal IOL optics (originally presented at the 47th SIMASP)
25:10
Subha Bhattacharya Live Stream
quickguide_subha
Subha Bhattacharya Live Stream
How does the Rayner Galaxy IOL optics work? (follow quickguide.org)
quickguide_subha
How does the Rayner Galaxy IOL optics work? (follow quickguide.org)
7:03
Refractive surprise post IOL implantation (follow quickguide.org for more)
quickguide_subha
Refractive surprise post IOL implantation (follow quickguide.org for more)
7:07
Effective add power of multifocal IOLs on the corneal plane (for more follow quickguide.org)
quickguide_subha
Effective add power of multifocal IOLs on the corneal plane (for more follow quickguide.org)
2:04
Quick understanding of different corneal and topography readings (follow quickguide.org for more)
quickguide_subha
Quick understanding of different corneal and topography readings (follow quickguide.org for more)
3:00
Difference between EDOF, monofocal plus or a monofocal IOL (follow quickguide.org)
quickguide_subha
Difference between EDOF, monofocal plus or a monofocal IOL (follow quickguide.org)
2:01
How different extended depth of focus IOLs work  (follow quickguide.org)
quickguide_subha
How different extended depth of focus IOLs work (follow quickguide.org)
8:55
Chromatic aberration with diffraction grating
quickguide_subha
Chromatic aberration with diffraction grating
2:58
8 March 2025 #science #physics
quickguide_subha
8 March 2025 #science #physics
2:58
Understanding Spherical Aberration and aspheric IOLs- Part II (follow quickguide.org)
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Understanding Spherical Aberration and aspheric IOLs- Part II (follow quickguide.org)
5:51
Understanding Spherical Aberration and aspheric IOLs-  Part 1 (follow quickguide.org)
quickguide_subha
Understanding Spherical Aberration and aspheric IOLs- Part 1 (follow quickguide.org)
4:42
Blue Light Filtering IOLs -  Benefits & consequences (follow quickguide.org for more)
quickguide_subha
Blue Light Filtering IOLs - Benefits & consequences (follow quickguide.org for more)
8:03
Understanding PCO: Post-Operative Capsular Opacification Explained
quickguide_subha
Understanding PCO: Post-Operative Capsular Opacification Explained
4:55
Common Topography Indices - Galilei, Pentacam, Sirius (for more information follow quickguide.org)
quickguide_subha
Common Topography Indices - Galilei, Pentacam, Sirius (for more information follow quickguide.org)
6:59
Choosing right IOL for cataract surgery
quickguide_subha
Choosing right IOL for cataract surgery
4:37
Patient selection in case of multifocal IOLs- avoiding a bad outcome
quickguide_subha
Patient selection in case of multifocal IOLs- avoiding a bad outcome
3:08
Pinhole test interpretation
quickguide_subha
Pinhole test interpretation
1:36
Pupil size and patient selection
quickguide_subha
Pupil size and patient selection
1:40
Keratometry readings and how IOL power calculation formula works
quickguide_subha
Keratometry readings and how IOL power calculation formula works
2:44
How Diffractive Multifocal IOL works in 15' minutes      (follow quickguide.org for more)
quickguide_subha
How Diffractive Multifocal IOL works in 15' minutes (follow quickguide.org for more)
15:45
How Diffractive Multifocal IOLs work
quickguide_subha
How Diffractive Multifocal IOLs work
36:51
Biometry Interview   1 (created with artificial intelligence)
quickguide_subha
Biometry Interview 1 (created with artificial intelligence)
3:43
Cylinder or astigmatism correction with Toric IOLs
quickguide_subha
Cylinder or astigmatism correction with Toric IOLs
22:42
Selecting non TORIC IOL power in patients with astigmatism
quickguide_subha
Selecting non TORIC IOL power in patients with astigmatism
6:08
Aconstant - immersion ultrasound vs optical biometry
quickguide_subha
Aconstant - immersion ultrasound vs optical biometry
14:58
What is TK of IOL Master 700?
quickguide_subha
What is TK of IOL Master 700?
5:59
IOL Power Calculation/Biometry Part I  Keratometry ( follow quickguide.org )
quickguide_subha
IOL Power Calculation/Biometry Part I Keratometry ( follow quickguide.org )
22:40
Snellen Chart Conversion - Converting from Feet to Meters, Decimal, logmar.
quickguide_subha
Snellen Chart Conversion - Converting from Feet to Meters, Decimal, logmar.
6:16
Basics of Phaco III ( correction : 20pps with 30% on time please read the 45ms as 35ms )
quickguide_subha
Basics of Phaco III ( correction : 20pps with 30% on time please read the 45ms as 35ms )
24:58
Understanding Corneal topography and Pentacam - Part I  (follow quickguide.org)
quickguide_subha
Understanding Corneal topography and Pentacam - Part I (follow quickguide.org)
27:32
The concept of Barrett Universal II  formulae for IOL power calculation.
quickguide_subha
The concept of Barrett Universal II formulae for IOL power calculation.
18:45
This video is available at:  quickguide.org/post/a-simple-interpretation-of-zernike-polynomials
quickguide_subha
This video is available at: quickguide.org/post/a-simple-interpretation-of-zernike-polynomials
0:04
Biometry & IOL power prediction based on first eye refractive error !
quickguide_subha
Biometry & IOL power prediction based on first eye refractive error !
4:50
Eye & Astigmatism-Part 3 (follow quickguide.org)
quickguide_subha
Eye & Astigmatism-Part 3 (follow quickguide.org)
16:04
Eye & Astigmatism Part 4 (follow quickguide.org)
quickguide_subha
Eye & Astigmatism Part 4 (follow quickguide.org)
9:07
Eye & Astigmatism Part 2 (follow quickguide.org)
quickguide_subha
Eye & Astigmatism Part 2 (follow quickguide.org)
20:18
Eye & Astigmatism Part 1 (follow quickguide.org)
quickguide_subha
Eye & Astigmatism Part 1 (follow quickguide.org)
13:50
Basics of Phaco - Part II (follow quickguide.org) for Part III the link is given in description box.
quickguide_subha
Basics of Phaco - Part II (follow quickguide.org) for Part III the link is given in description box.
24:16
Optical Biometry for cataract surgery VALIDATION TOOL GUIDE from quickguide.org
quickguide_subha
Optical Biometry for cataract surgery VALIDATION TOOL GUIDE from quickguide.org
15:34
Biometry Case Study (continued)-Session 2  (for free biometry validation tool,visit quickguide.org))
quickguide_subha
Biometry Case Study (continued)-Session 2 (for free biometry validation tool,visit quickguide.org))
26:37
Biometry Case Study - Session 1    (free Biometry Validation Tool available at  quickguide.org )
quickguide_subha
Biometry Case Study - Session 1 (free Biometry Validation Tool available at quickguide.org )
20:36
Lasik and Different Curvature Maps for IOL Power calculation (Website address : quickguide.org)
quickguide_subha
Lasik and Different Curvature Maps for IOL Power calculation (Website address : quickguide.org)
26:07
Basics of Phaco -  Part I (for Part II https://www.youtube.com/watch?v=UY6ZdPKPaJ4)  quickguide.org
quickguide_subha
Basics of Phaco - Part I (for Part II https://www.youtube.com/watch?v=UY6ZdPKPaJ4) quickguide.org
21:56
The Importance of Multifocal IOL Centration Video (Website address changed to quickguide.org)
quickguide_subha
The Importance of Multifocal IOL Centration Video (Website address changed to quickguide.org)
16:53
Biometry Principles video ( For free Biometry Validation Tool visit quickguide.org)
quickguide_subha
Biometry Principles video ( For free Biometry Validation Tool visit quickguide.org)
3:07
Keratoconus Classification & Indices
quickguide_subha
Keratoconus Classification & Indices
3:31
Understanding Diffractive Multifocal Intra Ocular Lens (for more follow   qucikguide.org)
quickguide_subha
Understanding Diffractive Multifocal Intra Ocular Lens (for more follow qucikguide.org)
24:41
Corneal Topography and Pentacam( follow for more @    quickguide.org)
quickguide_subha
Corneal Topography and Pentacam( follow for more @ quickguide.org)
14:53
Modern IOL Formula -  Part II (for free Biometry Validation Tool, visit  quickguide.org)
quickguide_subha
Modern IOL Formula - Part II (for free Biometry Validation Tool, visit quickguide.org)
12:58
Modern IOL Formulae   Part I  ( for free Biometry Validation Tool visit quickguide.org  )
quickguide_subha
Modern IOL Formulae Part I ( for free Biometry Validation Tool visit quickguide.org )
9:31
Centroid SIA 2
quickguide_subha
Centroid SIA 2
9:00
A new way of calculating SIA for TORIC IOL during cataract Surgery (follow quickguide.org )
quickguide_subha
A new way of calculating SIA for TORIC IOL during cataract Surgery (follow quickguide.org )
6:51
Brief history of biometry and IOL calculation formula - Biometry Validation  tool at quickguide.org
quickguide_subha
Brief history of biometry and IOL calculation formula - Biometry Validation tool at quickguide.org
6:22
Simple Guide to Corneal Topography & Pentacam ( follow for more at quickguide.org)
quickguide_subha
Simple Guide to Corneal Topography & Pentacam ( follow for more at quickguide.org)
5:02