Ophthalmology and Ionizing Radiation

Volume 1 - Issue 1

Shravana Kumar Chinnikatti*

Received: January 18, 2018;   Published: January 29, 2018

DOI: 10.32474/TOOAJ.2018.01.000101

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Abstract

Due to the sensitive nature and low radiation tolerance of eye and its contents radiation to eye is sparingly and selectively used. Delivering ionizing radiation to eye associated with complications, however the intraocular tumors are highly radiosensitive and radiation can be delivered both by external beam therapy and brachytheray. Due to recent advances in radiotherapy now particle beam therapy is preferred for best vision sparing therapy due its selective nature. External and brachytherapy can radiation used with intent of radiacal, adjuvant and palliative intent to most common intraocular tumors like retinoblastoma, choroidal melanoma and metastatic tumors. Brachytherapy rarely is used only in selective centers with high technical expertise due high professional exposure to ionizing radiation. Radiation plaques are used in brachytherapy and these are the preloaded sources kept near the tumors either temporarily or permanently. Brachytherapy most commonly used for choroid melanomas [1]. Brachytherapy plaques come in different sizes and shapes or can be customized according to the needs. Brachytherapy basically delivers high radiation to tumor and less radiation to surrounding normal tissues.

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