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ADVANCES SURYA IN LASER & EYE ADVANCES SURYA IN LASER & EYE

Dr. Ajay Dudani Dr. Vinod Goyel ZEN EYE CENTRE Khar, Mumbai SURYA EYETECH Mulund, Dr. Ajay Dudani Dr. Vinod Goyel ZEN EYE CENTRE Khar, Mumbai SURYA EYETECH Mulund, Mumbai ISO 9001 : 2000 Certified SURYA

What is LASER ? SURYA L A S E R - Light - Amplification What is LASER ? SURYA L A S E R - Light - Amplification by - Stimulated - Emission of - Radiation

What is LASER ? SURYA Substances have the property to “lase” i. e. absorb What is LASER ? SURYA Substances have the property to “lase” i. e. absorb energy in one form & emit a new form of light energy which is more useful.

Types of Lasers SURYA Types of Lasers SURYA

Tissue Interactions SURYA Tissue Interactions SURYA

Modes of Operation SURYA Mode depends on • Laser material & • Mode of Modes of Operation SURYA Mode depends on • Laser material & • Mode of excitation of material Two modes • Continuous wave operation • Conventional pulsed operation - Q switched - mode locked

Delivery Systems • Transpupillary • Trans scleral - Slit lamp - Laser Indirect Ophthalmoscopy Delivery Systems • Transpupillary • Trans scleral - Slit lamp - Laser Indirect Ophthalmoscopy - Contact - Non contact • Endophotocoagulation SURYA

SURYA SURYA

Radiation Wavelengths SURYA • • • 193 nm 488 - 514 nm 694. 3 Radiation Wavelengths SURYA • • • 193 nm 488 - 514 nm 694. 3 nm 780 - 840 nm 1064 nm 10, 600 nm - Excimer (Cornea) - Argon (Retina) - Ruby - Diode - Nd Yag (Capsule) - Carbon dioxide (Skin)

Uses Diagnostic SURYA Therapeutic Uses Diagnostic SURYA Therapeutic

Diagnostic Uses SURYA • • Laser Fluorescence Spectroscopy Scanning Laser Ophthalmoscopy Laser Interferometry Fundus Diagnostic Uses SURYA • • Laser Fluorescence Spectroscopy Scanning Laser Ophthalmoscopy Laser Interferometry Fundus Fluorescein Angiography Ffa PIC

Therapeutic Uses Widely Used • Extra-ocular adnexae • Anterior Segment • Posterior Segment SURYA Therapeutic Uses Widely Used • Extra-ocular adnexae • Anterior Segment • Posterior Segment SURYA

Therapeutic Uses A. Extraocular Adnexae i. Removal of lid masses ii. Orbitotomies iii. Blepharoplasty, Therapeutic Uses A. Extraocular Adnexae i. Removal of lid masses ii. Orbitotomies iii. Blepharoplasty, Aesthetics (smoothen wrinkles) iv. Capillary hemangioma, Portwine stain SURYA

Therapeutic Uses B. Anterior Segment i. LASIK, PRK, PTK SURYA Therapeutic Uses B. Anterior Segment i. LASIK, PRK, PTK SURYA

Therapeutic Uses SURYA What is LASIK ? < Suitable for 2 to 9 Dioptres Therapeutic Uses SURYA What is LASIK ? < Suitable for 2 to 9 Dioptres of Ref. Error < OPD Procedure < 5 minutes per eye

Therapeutic Uses SURYA LASIK Suction Ring Microkeratome Flap Removed Therapeutic Uses SURYA LASIK Suction Ring Microkeratome Flap Removed

Therapeutic Uses SURYA LASIK Flap Replaced Post - Op. Therapeutic Uses SURYA LASIK Flap Replaced Post - Op.

Therapeutic Uses B. Anterior Segment ii. Conjunctival / Corneal Growths, Neovascularization iii. Cyclophotocoagulation SURYA Therapeutic Uses B. Anterior Segment ii. Conjunctival / Corneal Growths, Neovascularization iii. Cyclophotocoagulation SURYA

Therapeutic Uses B. Anterior Segment SURYA Therapeutic Uses B. Anterior Segment SURYA

Therapeutic Uses SURYA What is Glaucoma ? Therapeutic Uses SURYA What is Glaucoma ?

Therapeutic Uses B. Anterior Segment iv. Reopen failed filtering blebs v. Iridoplasty, Gonioplasty vi. Therapeutic Uses B. Anterior Segment iv. Reopen failed filtering blebs v. Iridoplasty, Gonioplasty vi. Iris cyst, Pupilloplasty SURYA

Therapeutic Uses B. Anterior Segment vii. Posterior Capsular Opacification SURYA Therapeutic Uses B. Anterior Segment vii. Posterior Capsular Opacification SURYA

Therapeutic Uses C. Posterior Segment SURYA Therapeutic Uses C. Posterior Segment SURYA

Therapeutic Uses What is Diabetic Retinopathy ? SURYA Therapeutic Uses What is Diabetic Retinopathy ? SURYA

Therapeutic Uses What is Diabetic Retinopathy ? SURYA Therapeutic Uses What is Diabetic Retinopathy ? SURYA

Therapeutic Uses What is Diabetic Retinopathy ? SURYA Therapeutic Uses What is Diabetic Retinopathy ? SURYA

Therapeutic Uses What is Diabetic Retinopathy ? SURYA Therapeutic Uses What is Diabetic Retinopathy ? SURYA

Therapeutic Uses What is Diabetic Retinopathy ? SURYA Therapeutic Uses What is Diabetic Retinopathy ? SURYA

Therapeutic Uses What is Diabetic Retinopathy ? SURYA Therapeutic Uses What is Diabetic Retinopathy ? SURYA

Therapeutic Uses What is Diabetic Retinopathy ? SURYA < Severity of DR runs parallel Therapeutic Uses What is Diabetic Retinopathy ? SURYA < Severity of DR runs parallel to the duration of DM < 50 % of Diabetics have DR after 10 years of DM < 90 % of Diabetics have DR after 20 years of DM < A regular checkup every 6 - 12 months can detect early changes & prevent blindness

Therapeutic Uses i. Diabetic Retinopathy SURYA Therapeutic Uses i. Diabetic Retinopathy SURYA

Therapeutic Uses i. Focal Diabetic Retinopathy Grid SURYA Panretinal Therapeutic Uses i. Focal Diabetic Retinopathy Grid SURYA Panretinal

Therapeutic Uses SURYA ii. Retinal Haemorrhage Therapeutic Uses SURYA ii. Retinal Haemorrhage

Therapeutic Uses SURYA iii. Retinal Breaks or Tears Therapeutic Uses SURYA iii. Retinal Breaks or Tears

Therapeutic Uses SURYA C. Posterior Segment iv. Subretinal neovascularisation v. Central serous retinopathy Therapeutic Uses SURYA C. Posterior Segment iv. Subretinal neovascularisation v. Central serous retinopathy

Therapeutic Uses C. vi. Posterior Segment SURYA Vitreolysis in cystoid macular edema Therapeutic Uses C. vi. Posterior Segment SURYA Vitreolysis in cystoid macular edema

Therapeutic Uses C. vii. Posterior Segment Vitreous traction bands, to free encapsulated foreign bodies Therapeutic Uses C. vii. Posterior Segment Vitreous traction bands, to free encapsulated foreign bodies SURYA

Therapeutic Uses C. Posterior Segment viii. Drainage of subretinal fluid / haem. SURYA Therapeutic Uses C. Posterior Segment viii. Drainage of subretinal fluid / haem. SURYA

Therapeutic Uses C. ix. Posterior Segment Intraocular tumors (RB) SURYA Therapeutic Uses C. ix. Posterior Segment Intraocular tumors (RB) SURYA

Therapeutic Uses C. ix. Posterior Segment Intraocular tumors (Choroidal Melanoma) SURYA Therapeutic Uses C. ix. Posterior Segment Intraocular tumors (Choroidal Melanoma) SURYA

Therapeutic Uses SURYA C. x. Posterior Segment Laser scleral buckling Therapeutic Uses SURYA C. x. Posterior Segment Laser scleral buckling

Therapeutic Uses SURYA D. i. iii. iv. Miscellaneous Uses Neovascular stimulation Aseptic phototherapy for Therapeutic Uses SURYA D. i. iii. iv. Miscellaneous Uses Neovascular stimulation Aseptic phototherapy for pre-op preparation Laser asepsis for diagnosed infectious corneal ulcers Endonasal DCR

What is the Latest ? SURYA • PDT • TTT (Photo Dynamic Therapy) (Transpupillary What is the Latest ? SURYA • PDT • TTT (Photo Dynamic Therapy) (Transpupillary Thermo Therapy)

What is ARMD ? SURYA Two types < Dry ARMD < Wet ARMD What is ARMD ? SURYA Two types < Dry ARMD < Wet ARMD

What is ARMD ? SURYA Wet ARMD < Rare < More devastating < Drusen What is ARMD ? SURYA Wet ARMD < Rare < More devastating < Drusen < SRNVM

What is ARMD ? SURYA Drusen What is ARMD ? SURYA Drusen

What is ARMD ? SURYA SRNVM What is ARMD ? SURYA SRNVM

What is ARMD ? SURYA Vision in ARMD What is ARMD ? SURYA Vision in ARMD

What is PDT ? SURYA < Visudyne (Verteporfin) < “Smart Bomb” for wet ARMD What is PDT ? SURYA < Visudyne (Verteporfin) < “Smart Bomb” for wet ARMD < Selective Damage of SRNVM < Costly

What is PDT ? SURYA What is PDT ? SURYA

What is PDT ? SURYA What is PDT ? SURYA

What is PDT ? SURYA What is PDT ? SURYA

What is PDT ? SURYA What is PDT ? SURYA

What is PDT ? SURYA Zeiss Visulas 690 s and Visulink PDT adapter Coherent What is PDT ? SURYA Zeiss Visulas 690 s and Visulink PDT adapter Coherent Opal Photoactivator and Laser. Link adapter

What is PDT ? SURYA What is PDT ? SURYA

What is PDT ? SURYA < Treatment is designed to reduce the risk of What is PDT ? SURYA < Treatment is designed to reduce the risk of vision loss < Vision improves in few cases < Re-treatment is often required at 3 -month intervals during the first 2 years

What is TTT ? < For wet ARMD < “Slow Cooking” of CNVM < What is TTT ? < For wet ARMD < “Slow Cooking” of CNVM < Cheap SURYA

Lasers can…. SURYA < Save a child’s eye as in Retinoblastoma < Change a Lasers can…. SURYA < Save a child’s eye as in Retinoblastoma < Change a personality as in LASIK < Cure a middle aged person with Glaucoma < Restore Vn. in a person with After-Cataract < Preserve & Retain Vn. in pts. with DR & ARMD < The possibilities are endless…. . .

SURYA THANK YOU SURYA THANK YOU