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How to Prevent Eye Strain in Computer & Mobile Users

As the time is passing by, we are becoming more & more dependent on computers & mobiles, both for work and entertainment. Although,...


 


 

BBC has put up really nice short 2 minute video, explaining the three covid vaccines Pfizer, Oxford and Moderna. They compared them in terms of effectiveness, price, how do they work, storage and transport. The video can be found at this link > Covid vaccine differences? Pfizer v Oxford v Moderna

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The new variant of Covid-19, which started spreading in UK during the past few weeks, has arrived in Pakistan. Sindh Health Department took samples of 12 UK returnees, out of which 6 came out to be positive. Three of them had the new variant of Covid-19. Health Department is tracing contacts of these patients and they are being isolated.

The new strain is 50% more transmissible than the strain, which caused the pandemic and took around 1.78 million lives. This means that we have to be more careful now. Till the vaccines become readily available in Pakistan, people should be even more diligent about preventive measures, i.e., avoiding large gatherings, wearing masks, physical distancing and washing hands.

More details of Preventive Measures can be found at Center of Disease Control website.

Source: Dawn News, Geo News

 

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Blogging for almost 15 years, today I announce my new domain www.drahsan.com. Initially, I blogged at mutanthuman.blogspot.com, then bought www.doctorahsan.net in March, 2010. 



 
Now, when I was about renew it, I found that drahsan.com was available, so immediately purchased it, as it is .com and easy to remember & type.

I haven't posted regularly in the past few months but this domain has given me some energy to make some editing to the  template and start writing. Hoping that you will enjoy it.
 
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A US woman has been charged with murder after allegedly poisoning her husband by putting eyedrops into his water for several days.

Her husband died by falling from stairs but later toxicology report found tetrahydrozoline in his body. Tetrahydrozoline is used as decongestant in eye drops and nasal sprays available over the counter. It can cause seizures, coma and difficulty in breathing.

Source: BBC News

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Google honored Ferdinand Monoyer, a famous French Ophthalmologist, on his 181st birthday by a doodle. He developed the diopter, the unit of measurement of deviation of light over a specific distance. It's still used as standard these days. Monoyer also devised an eye chart where every row represents a different diopter, from smallest to largest.

Learn more about Ferdinand Monoyer and doodles

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A cataract is clouding of eye's natural lens. Here, I share an infographic about the history of cataract surgery and you will be amazed to know how it has evolved over time.





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A beautifully narrated, edited 8 min clip for all beginner femtosecond cataract surgeons, showing commonly faced complications and their management.

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