the inevitable fact

i was reading this article i clicked from my friend's YM status (quya) when it strongly reminds me a principle i learnt in my tutorials last week

we were having a retinal (the inner most layer of the eye-coat responsible to receive lights so that you can perceive the image you are viewing) lecture that afternoon, and the doctor explains that-

if you have diabetes, it can lead to retinal affection. this retinal affection is call Diabetic Retinopathy

one of the thing this complication does is-

it blocks blood supply to your retina, thus, your retinal cells (who are hungry by the way) will respond by releasing substances that grows more new vessels...but!!!, these new vessels are really hazardous coz they done behave normally. they are grown just to help increasing the blood supply but they don't follow the retinal rules.

so, when a diabetic patient reaches this state (abnormal vessels growing in their retina) the only way to treat it is by a method called 'Pan Laser Photocoagulation'...this method beholds a principle that was juxtaposed strongly in my head the minute my dr. explains it!

laser photocoagulation works by emitting laser to your photoreceptors (photoreceptors contains pigments).
when laser meets pigments it produces light then heat increases thus the cells around it die.

why are we killing these cells?

because we need to spare the very little amount of blood allowed into the retina for the most important area in  it, which is the macula. thus, those dead cells won't complain and release substances to produce hazardous new abnormal blood vessels.

the relation my dr. gave was...
save the goverment!...the most important center, and kill those annoying voices. dead people don't complain and everybody is happy!...erk!!!...honestly i never forget this example...LOL...

what does this have to do with the article i just read?...urm...actually, i can't really construct this feeling that it is related into beautiful words yet, but it feels like it have some connection...hehe, since it reminded me of this retinal issue~

# things will change if you work for it (but who would?)
# macula is a site in your retina which perceive the most accurate and focused picture of your vision (crystal clear image!). your brain depends on it to detect if your eyes are working normally or not...the other sites of your retina are for your peripheral vision.

# all the informations above are based on my understanding in my tutorial classes...if there are any mistakes i'd b glad if you could correct me...:D