Comprehensive Ophthalmology Free Papers - aioseducation

Comprehensive Ophthalmology Free Papers
9. Sharma PD, Madhavi MR. A comparative study of postoperative intraocular
pressure changes in small incision vs conventional extra capsular cataract surgery.
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Ophthalmic Cellphone Imaging System – A
Costless Imaging System
Dr. Murali Mohan Gurram
Imaging is an important procedure for various purposes. If we want to share
our clinical cases with others, the best way for that is with images. A single
image can tell more tales than 100 words. In day to day professional life, we
come across many interesting cases. These can be shared with students or
others with good images. Imaging is very important for various purposes like
teaching, documentation, patient education, progress of disease etc.
Slit lamp imaging system are very expensive with MNC one being
approximately 6 lakhs and indigeneous ones approximately 3.5 lakhs. Many
of the private practitioners do not have this system. A digital camera can
be used for the same purpose, but needs some investment, some hardware
modifications and it needs to be carried.
There is a search for an instrument which can give images and doesnot need
any extra equipment. I found the answer in my cellphone.
My Cell Phone
My cellphone is Motorola A1600, which has an effective 2 MP camera. It gives
a resolution of 1536 x 2048 pixels. It gives reasonably good images of anterior
segment. With little learning we can capture good images of anterior segment.
With little extra effort, we can even take Optic disc images. Most important
of all, I need not carry any equipment, as my mobile is always in my pocket.
MATERIALS AND METHODS
I use an old model of Appasamy slitlamp. The imaging is an uniocular
procedure. Room lights are switched off for a better contrast. The lesion is
focused with necessary slitlamp adjustments. Diffuse light is used for large
lesions like pinguecula and pterygium. Slit beam is used for corneal and lens
sections. Retroillumination for media opacities. The illumination of slit lamp
is reduced to reduce the dazzling light reflex. Lesion is seen uniocularly in both
objectives. The objective with better focusing is selected. Low magnification
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