Semiconductor Diode Lasers: A New Laser Light Source in Ophthalmology

Balles, Mark W.; Puliafito, Carmen A.

doi:10.1097/00004397-199030020-00003

Cited by 15 publications

(6 citation statements)

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“…The creation of large areas of scarring by cryopexy may lead to the development of rhegmatogenous retinal detachment years after treatment. 6 Indirect ophthalmoscope laser applications to the retina cause minimal conjunctival chemosis and subconjunctival haemorrhage.7 Diode laser in particular may have the following added advantages: its 'near' infrared emission wavelength of 810 nm has theoretically superior transmission properties through haemorrhage compared with argon laser; high energy conversion efficiency, which means lower power supply needed for its operation (standard household current or batteries) making it light and portable'7 18 and allowing treatment in the neonatal intensive care unit.…”

Section: Discussionmentioning

confidence: 99%

Refractive outcome following diode laser versus cryotherapy for eyes with retinopathy of prematurity.

Algawi

Goggin

O’Keefe

1994

British Journal of Ophthalmology

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The refractive error in 15 eyes with threshold retinopathy of prematurity treated with diode laser photocoagulation was compared with 25 eyes with the same disease severity treated by cryotherapy. Myopia was present in 40% (six eyes) of the first group ranging from -1*50 to -3*50 dioptres, while 92% (23 eyes) showed myopia which ranged from -050 to -8-00 dioptres in the cryotherapy group. Sixty per cent (nine eyes) were hypermetropic at less than +3.0 dioptres in the laser group, while only 8% (two eyes) of the cryotherapy group showed hypermetropia. There was no significant difference in astigmatism between the two groups. Eyes with threshold disease treated with diode laser photocoagulation developed significantly less myopia than those treated with cryotherapy (p=0.0006, two tailed value).

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Section: Discussionmentioning

confidence: 99%

Refractive outcome following diode laser versus cryotherapy for eyes with retinopathy of prematurity.

Algawi

Goggin

O’Keefe

1994

British Journal of Ophthalmology

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“…This was ensued by the krypton laser in 1972 and tunable dye laser in 1981 4 . Although these gas and liquid state lasers were a significant improvement on previous non‐laser photocoagulators, they were still expensive, bulky and required a specialised high‐voltage power supply in addition to plumbing to facilitate cooling 5,6 . The solid state lasers offered solutions to these problems.…”

Section: History Of Retinal Laser Photocoagulationmentioning

confidence: 99%

“…Nevertheless, new diode lasers producing visible wavelengths have since been developed. These are even more compact and economical than their predecessors, they can be powered by ordinary electrical wall current and due to high electrical to optical conversion, a cooling system is not required 5,6 …”

Section: History Of Retinal Laser Photocoagulationmentioning

confidence: 99%

“…For many years, diode lasers were limited to the infrared spectrum. Although shorter wavelengths were possible through doping GaA with different materials, the power output of these early diode lasers was insufficient for clinical application 4,5 . Semiconductor technology has matured significantly during the last five years and now portable, economical diode lasers are available in a multitude of visible wavelengths.…”

Section: Laser and Wavelength Selectionmentioning

confidence: 99%

“…4 Although these gas and liquid state lasers were a significant improvement on previous non-laser photocoagulators, they were still expensive, bulky and required a specialised high-voltage power supply in addition to plumbing to facilitate cooling. 5,6 The solid state lasers offered solutions to these problems. These include Neodymium-doped yttrium aluminium garnet (Nd: YAG) and diode lasers that use crystals and semiconductors, respectively.…”

Section: Retinal Ischaemia Due To Vasculitis Retinal Vein or Arteriamentioning

confidence: 99%

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An update on retinal laser therapy

Lock

Fong

2011

Clinical and Experimental Optometry

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Since its discovery in the 1940s, retinal photocoagulation has evolved immensely. Although the first photocoagulators used incandescent light, it was the invention of the laser that instigated the widespread use of photocoagulation for treatment of retinal diseases. Laser permits selection of electromagnetic wavelength, energy levels, spot size and pulse duration. These variables are crucial for accurate targeting of retinal tissue and prevention of detrimental side-effects such as central blind spots. There is ongoing clinical research dedicated to optimising such parameters and many innovative modes of laser delivery are now being offered. Laser photocoagulation is the mainstay of treatment for various retinal and macular diseases. Considering the escalating prevalence of such conditions and widespread use of photocoagulation, it is important for optometrists to grasp the basic principles and be aware of new developments in retinal laser therapy.

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Lasers in ophthalmology

Krauss

Puliafito

1995

Lasers Surg Med

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This article reviews the principle uses of ophthalmic lasers, providing historical background with an emphasis on new applications and areas of investigation. Ophthalmic photocoagulation was the first medical laser application and has restored or maintained vision in millions of people. More recently, photodisruption and, increasingly, ablation have gained prominence for treating a wide range of ocular pathology. The unique properties of lasers have also been harnessed for diagnostic purposes, with optical coherence tomography representing a significant improvement over existing imaging methods. Many ophthalmic applications of lasers have been developed, but the field is a dynamic one which continues to evolve along with laser technology itself.

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Semiconductor Diode Lasers: A New Laser Light Source in Ophthalmology

Cited by 15 publications

References 0 publications

Refractive outcome following diode laser versus cryotherapy for eyes with retinopathy of prematurity.

Refractive outcome following diode laser versus cryotherapy for eyes with retinopathy of prematurity.

An update on retinal laser therapy

Lasers in ophthalmology

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