Month: January 2022

Dos and don’ts after cataract surgery

Do you know that some people still come back to their eye clinic after cataract surgery? In fact, some people’s situation got worse than the initial problem that brought them to the clinic in the first place. There are instructions to follow even after you’ve done cataract surgery successfully. But people tend to joke about the instructions that come after the surgery. 

If you do your cataract surgery in a well-known clinic, they will surely give you some instructions to follow. And you must follow them strictly. After cataract surgery, there are various things you can do to help the cataract surgery healing process to be fast as possible. This article aims at providing a complete guide on those dos and don’ts that you need to observe. But before we move further, we would like to discuss what cataract surgery entails briefly.

What is cataract surgery? 

A cataract itself is a thick, cloudy area that forms in the lens area of the eye. A cataract usually starts when proteins in the eye form clumps that prevent the lens from sending clear images to the retina. And once clear images have not been sent to the retina, then there’s a problem. Remember, the retina works by transforming light through the lens into indications. Therefore, when the lens cannot send clear images to the retina, the problem begins to grow bit by bit, and it will eventually interfere with one’s vision. Cataract surgery is the process of eradicating the lens of your eye and replacing it with an artificial lens. Although, the replacement with an artificial lens does not occur in all cases. Initially, the lens in one’s eye is clear. But when one gets a cataract, the lens becomes cloudy, eventually affecting one’s vision. Therefore, cataract surgery needs to be carried out to restore the person’s sight to a normal state.

However, after cataract surgery, the healing process is about 80%; an individual must carry out the remaining 20% to complete the healing process. Therefore, if you want perfect and complete healing, these are the things you must do and things you must avoid. Let us start with what you need to do after the surgery. learn more about cataract surgery in Sydney at

The Dos after cataract surgery

  1. Shun activities in the early post-op phase are energetic for your eyes: After the cataract eye surgery has been done, it is expedient to stop actions that will engage your eyes for a more extended period. Avoiding things that can be strenuous on your eyes is a critical factor in helping the healing process. So, you must take it easy in the first week after the surgery. That is why patients are advised to wait for a minimum of three days to go back to work. Of course, this could vary based on how quickly your eyes respond to the treatment. Your optometrist and clinical care squad will be able to make the best references for you throughout your various aftercare schedules. 
  2. Ensure you use eye drops as instructed: Your eye doctor will prescribe you anti-inflammatory eye drops after the surgery. The essence of giving you eye drop is to prevent you from contracting infections and inflammation. Therefore, it is left to you to use the eye drop is prescribed. Please note that it is wrong to use the eye drops more than what the doctor prescribed.  learn more about anit-inflammatory eye drop by clicking here.
  1. Attend the aftercare appointments: Getting complete aftercare is vital in ensuring that your recovery continues as it should. So you must partake in each of your regular follow-up schedules as directed by your eye doctor. Please note that schedules will be undertaken in-person and by telemedicine. Furthermore, you will typically receive your first full assessment by the clinical care squad you choose to use the day after the surgery, in which they will regulate whether your eyes are in good condition. 
  1. Take painkillers if prescribed: Some surgeons will instruct you to use painkillers to suppress any pain that may likely arise after the surgery. Remember, some doctors might not prescribe any painkiller drugs to you.  Make sure you follow all instructions. This is the most vital thing you must take note of.
  1. Use your protective eyewear: Please ensure that you use your eyewear to reduce the risk of getting infections. It is essential to stay focused on all these dos. It will go a long way in finalizing your healing process. Protective eyewear is necessary. 

The don’ts after cataract surgery

  • Don’t rub your eyes: People are fond of using their hands to rub their faces. Even if you feel like scrubbing it, please don’t do it. If you rub your face, it might lead to issues that will need medical attention again. In fact, some people completely lose their sight because they forgot, and they start rubbing their eyes a day after the surgery. Please avoid that. 
  • Don’t drive on the same day: Don’t even try to hold the wheels the day of the surgery. That is why doctors always advise people to come with a friend or a family member to drive them home after the surgery. Cataract surgery doesn’t take much time, so it is easy to assume that one can drive on that same day the surgery was done. Please don’t even try it. 
  • Don’t wear make-up for the first week: I think this message is mainly directed to the females. They are the ones that love to stay primarily unnatural if I’m not mistaken. Please, for the sake of your perfect healing, do not use make-up stuff on your face for a week after the surgery. 
  • Stay away from swimming: I know swimmers will not love something like this. But of course, it is for your good. It is expedient you stay away from swimming for some time after the surgery. 
  • Stay away from dust and dirt: Avoid places

Outstanding things you need to do before doing cataract surgery

You don’t just enter an eye clinic and tell a doctor you want to undergo cataract surgery. Cataract surgery is far more than one step of doing it without considering some things. As a matter of fact, it is not your duty to conclude on whether you’ll be doing cataract surgery or not. It should be the direction of medical personnel. I mean an eye specialist. 

Some people quickly judge that they need to undergo cataract surgery in Sydney once they notice a strange feeling in their eyes. Let me quickly chip in this not all eye problems are cataracts. I am only saying this to let you know that when you feel something strange in your eye, the first thing to think about is not cataract surgery.

There’s a woman in Sydney that has lost her sight because she failed in the aspect of doing the needful. All she did was look for an eye clinic; then, she told them that she wanted to do cataract surgery. Of course, I will agree with you if you are concluding in your mind as you are reading this that the eye clinic is not competent enough. Like, why will they conduct cataract surgery for someone they did not first diagnose?  Do you see that there are incompetent eye clinics out there? That’s just, by the way! These days it has become very important that you test yourself for COVID before going for Cataract surgery, you can do it yourself with rapid antigen test kits.

Based on some articles you’ve read, it will not be good enough for you to assume or decide that the symptoms you see show that there are cataracts in your eyes. Several individuals are even doing self-medications. 

However, this article aims at providing adequate information on things you need to do before going for cataract surgery. Of course, you should know that you might have been diagnosed with a cataract before you go for cataract surgery. Not by what you read or by what someone told you. But it should be by the direction of your eye doctor.  

If you want to have successful cataract surgery, there are some things that you must not overlook. Hence, here are some of the things you must consider or pay attention to before going for cataract surgery;

  1. Please pay attention to any changes in your eye health: Before the time of cataract surgery, it is expedient to pay attention to your eye health closely. Several changes or issues might occur, which you will need to inform your doctor. The more your doctor knows the situation, the more the chances of achieving success during and after the surgery. One of the things you might notice in your eye can be redness. Once you see that, please don’t hesitate to inform your doctor. You might be wondering if some changes can occur after you’ve been instructed to prepare yourself for the cataract surgery. Yes! In fact, many things can show forth. Don’t be scared. All you need to do is to inform your doctor. 
  2. Discuss your medications with your doctor: It is essential to take your doctor as your close friend this time. You must relate all things with them. Some complications like bleeding may occur before the surgery. Or some pains may occur before the surgery.  Please, don’t think twice before you contact your eye doctor. Inform the doctor about any medications you may be taking to treat other conditions or symptoms.

This is very important. Today, many have lost their sight because they did not carry their doctor along in this issue. It is dangerous to engage in self-medication. 

  1. Wear comfortable clothes and avoid cosmetics: Before going for cataract surgery, please wear warm and comfortable cloth. Do not apply extra makeup on your face, as this may cause some effects on the day of the surgery. Put on flat shoes and not high heels. Also, please avoid using fragrance or cologne, aftershave, spray-on deodorant or hairsprays in the surgical centre. These are the things you must avoid and be conscious of before cataract surgery. 
  1. Follow the doctor’s instructions on fasting: Before undergoing cataract surgery, the doctor will advise you to stay out of food on the day of the surgery. Abstinence from food and any alcoholic beverages has a unique way of contributing to the success of your surgery. As simple as this instruction is, I have seen people standing against it, and they will appear in front of the doctor as though they haven’t taken anything. Please don’t do that.

Ensure that you follow the doctor’s advice. Please don’t misquote me. I’m not saying that you shouldn’t eat for days before doing cataract surgery. All I am saying here is that, follow the doctor’s advice. 

  1. Prepare for your recovery: Before coming to the surgical centre in Sydney, you must know that it is expedient to go with a friend or one of your family members that will take you home. Although cataract surgery doesn’t take much time, there’s a high tendency to go back home the same day of the surgery. But for car owners, you will not be able to drive yourself home. As a matter of fact, some severe cataracts can take some days before the person will start seeing clearly. Before you can have access to some activities like driving, it will be after a couple of days. Therefore, I will urge you to pay attention to this point very well.
  2. Ask questions: I want to encourage you to ask questions before entering the surgical room. In fact, some surgeons will allow you to ask questions even in the surgical centre. If things seem to be unclear to you before the processor as the process is going on, do not hesitate to ask questions. Asking questions will help you.


I see you coming out strong to testify and say something good about your experience in the surgical centre. However, …

Different rapid antigen tests and how they work

For around 20-30 years, PCR has been extensively utilized in research and medicine to discover genetic information. RT-PCR is a modified form of the method that is utilized when RNA is identified, and it is currently being used to identify SARS-CoV-2, the virus that causes COVID-19. This sort of rapid antigen tests has commonly been employed as a first-line diagnostic for COVID-19 because it detects the viral RNA directly.

RT-PCR assays are relatively rapid, sensitive, and reliable, with findings available in 3-4 hours, however, this time is often extended if samples must first be forwarded to specialized external labs (6-8 hours on average).

Numerous diagnostic and research businesses manufacture RT-PCR products, tests, and equipment, ensuring widespread availability of the technique. Certain RT-PCR assays are produced as an ‘all-in-one’ kit, which minimizes laboratory handling and contamination risk.

How it operates

After collecting a sample, chemicals are employed to deplete it of proteins, lipids, and other components, leaving just RNA. This will be a combination of the individual’s genetic material and any viral RNA that may be present.

The enzymes in the rapid antigen tests kit convert the RNA to DNA, which is amplified to enable virus identification using a PCR machine that cycles the rapid antigen tests temperature in such a way that about 35 billion copies of viral DNA are produced for each viral RNA strand that was initially present.

Typically, fluorescent markers are employed to attach to amplified DNA and generate light that can be read by the machine to provide the rapid antigen tests result. A positive rapid antigen tests is one in which the intensity of the light emitted inside the sample exceeds a predetermined threshold. The number of PCR temperature cycles necessary to attain the fluorescence threshold is recorded, providing an estimate of the viral load in the patient sample.

What are rapid antigen tests designed to detect?

RT-PCR is used to determine whether or not viral RNA is present in patient samples. This is accomplished by encoding and amplifying segments of the virus’s genetic material, often the Spike protein, the N protein, or the Envelope (see picture).

To quantify viral RNA, it is transformed to DNA, duplicated several times using multiple temperature cycles in a PCR machine, and then detected using fluorescent markers. If the quantity of fluorescence increases over a specific threshold, this indicates the presence of the virus. The number of temperature cycles required for the machine to attain this threshold is recorded in order to determine the amount of virus contained in the patient sample. The fewer cycles, the greater the amount of virus present. Typically, these samples are obtained by swabbing the nose or throat with either long or short swabs, although they may also be obtained in other methods. Collecting samples from areas where the virus is shed or proliferating increases the rapid antigen tests‘ accuracy. Click here to read how to use a rapid antigen test kit.

What does the outcome imply?

When conducted on a sample from an infected area of the body during an active illness, an RT-PCR rapid antigen tests is very sensitive and moderately reliable.

A positive PCR result indicates that the individual from whom the sample was collected is presently infected with the virus.

Negative PCR result: – A negative PCR result may indicate that the individual is not presently infected with this virus, the virus is not present at the place from where the sample was collected, the sample was of low quality, or the infection is too early or late to detect the replicating virus. This is why negative test findings need the collection of fresh patient samples a few days later to eliminate the possibility of missing an infected individual.

The RT-PCR rapid antigen tests cannot determine if a person had the virus and subsequently cleared it after the end of the COVID-19 sickness, or whether a person had the disease since it detects an only active virus.

Advantages and disadvantages

  • RT-PCR is widely acknowledged by scientists and medical personnel as a reliable and well-documented technology.
  • Because RT-PCR is so widely used in research and medicine, the technology for rapid antigen tests for COVID-19 is already in place.
  • RT-PCR may identify active illness infections, enabling medical personnel to decide who is infected and who is not.


  • Because RT-PCR is based on collecting and identifying viruses, it may overlook individuals who have cleared the virus and recovered from sickness. learn more ways of recovering form sickness at
  • Because viral distribution in the respiratory tract differs across individuals, even if a person is infected, the virus may be detected only in sputum or a nasopharyngeal swab, but not always in both sites concurrently.
  • Real-time polymerase chain reaction (RT-PCR) for COVID-19 can only determine whether a person is presently infected with this specific coronavirus. It is unable to offer information on further illnesses or symptoms.

Antigen examinations

Rapid and precise rapid antigen tests is critical for the containment of a highly infectious virus such as SARS-CoV-2. While PCR tests are reliable, they might take a long time to complete. While rapid antigen tests, the second primary form of coronavirus test, are much quicker, they are also significantly less accurate.

Antigens are substances that elicit an immunological response in the body — they initiate the production of antibodies. These assays look for antigens from the SARS-CoV-2 virus using laboratory-made antibodies.

To conduct an antigen test, a sample is first treated with a solution comprising salt and soap, which dissolves cells and other particles. Then you add this liquid to a test strip that has been coated in a narrow line with antibodies specific for SARS-CoV-2.

Antibodies on the test strip, like those in your body, will bind to any antigen in the sample. If the antibodies recognize coronavirus antigens, a colored line indicates the presence of SARS-CoV-2 on the rapid antigen tests strip.

Antigen testing provides a variety of advantages. To begin, they are so simple to do and interpret that …

A critical look at rapid antigens tests

The coronavirus epidemic continues to have a significant impact on our everyday lives, infecting hundreds of thousands of individuals each week. COVID-19 rapid antigen tests are a very effective method of protecting yourself and your family. However, which exam is appropriate for you? Dr. Christopher Carpenter, a Beaumont infectious disease specialist and chair of internal medicine, has the answers.

What are the many COVID-19 test types?

There are two primary kinds of COVID-19 rapid antigen tests available at the moment.

  • Viral testing may be used to determine whether a person is currently infected with COVID-19. Nucleic acid amplification rapid antigen tests (NAATs) and antigen testing are two frequent forms of viral diagnostics. You may have heard NAATs referred to as polymerase chain reaction (PCR) testing. Vaccination will not result in a positive result on these rapid antigen tests.
  • Antibody rapid antigen tests, often called serology tests, may determine whether you have ever been infected with the coronavirus, but they cannot identify an active infection. Depending on the antibody target (i.e., those directed against the spike protein), this test may potentially detect a response to past immunization in an individual who has never been sick.

While certain viral tests may be performed on-site or even at home, others must be transported to a laboratory for processing.

“While on-site testing is convenient and produces findings quickly, it has significant limits,” Dr. Carpenter said. “In many circumstances, operators are restricted in their ability to complete a particular number of rapid antigen tests within a certain amount of time. Sensitivity and precision might sometimes be a problem.”

While laboratory tests are more precise, they may take longer to complete.

Which Examination Should You Take?

“Which test is best for you is situation-dependent,” Dr. Carpenter said. “Some rapid antigen tests are only authorized for persons who are already experiencing symptoms, and they should not be used for screening if you are feeling well. The best test is one that provides the most accurate result in the shortest amount of time.”

When time is critical, an antigen or fast test may be the best option. Numerous rapid antigen tests are now accessible as home test kits, which eliminates the need to visit a health care institution. If you have the patience to await the findings of a laboratory-based test, you will often obtain the most accurate results. learn more about rapid antigen tests by clicking here.

While no test is perfect, the ones now available are very accurate when done properly. If you choose an at-home test, it is critical to carefully follow the directions for the best results. Individuals who continue to suffer symptoms after a negative COVID-19 test may seek repeat testing.

When should you get tested for COVID-19?

COVID-19 rapid antigen tests are beneficial for confirming or ruling out an infection, particularly as we approach flu season. Not only may the outcome impact treatment choices, but it can also assist safeguard individuals in your immediate vicinity. learn more about clinical supplies at

The CDC advises that everyone who exhibits symptoms consistent with COVID-19 be tested, even those who are completely vaccinated or have been infected before. Additionally, those who have not been vaccinated but have traveled, attended big meetings, or been in poorly ventilated interior settings should be examined.

Individuals who have been completely vaccinated and have been exposed to someone who has COVID-19 should seek rapid antigen tests to confirm they have not caught the virus. While the individual may be symptom-free, they may still transmit the illness to others. If positive, rapid antigen tests assist in preventing this with adequate isolation.

  • If you feel you have been exposed to COVID-19 and are completely vaccinated, you should test 5-7 days following your original exposure. 
  • If you believe you have been exposed to COVID-19 but are not fully vaccinated, you should test immediately. If your test result is negative, be certain to retest (5-7 days after the initial exposure or immediately after symptoms develop).

Anyone wanting to go overseas or returning to the United States after an international trip may be needed to have a recent negative COVID-19 test. Because specific restrictions vary per location, it is important to verify and make the necessary preparations before visiting.

How to safeguard oneself while awaiting test results

“If you are asymptomatic and undergoing regular rapid antigen tests, such as before to travel, there are no restrictions other than the advised precautions,” Dr. Carpenter says.

Individuals who have not been vaccinated and have been exposed to COVID-19 should consider self-quarantine. Individuals who have been vaccinated may not be required to quarantine, but they should check themselves for signs and continue to take measures. The CDC advises isolation for anybody exhibiting COVID-19 symptoms while awaiting test results.

Despite extensive rapid antigen tests, Dr. Carpenter underlines that immunization remains the most effective method of preventing COVID-19.

Investigating genetic evidence

For any kind of test, the initial step is to get a sample from the patient. This might be a swab of the nose or a little amount of saliva.

For PCR rapid antigen tests, the following step is an amplification of the genetic material, which allows for detection of even a minute quantity of coronavirus genes in the patient’s sample. This is accomplished via the use of a process known as a polymerase chain reaction. A health care professional collects the sample and uses an enzyme to convert it to double-stranded DNA. 

The DNA is then heated in the presence of a solution containing an enzyme called a polymerase, causing it to split into two single-stranded DNA fragments. The temperature is dropped, and polymerase attaches to and replicates the single-stranded DNA with the assistance of a short bit of guide DNA called a primer. The primers are designed to amplify just coronavirus DNA. You have now replicated coronavirus DNA twice from the initial RNA fragment.

Laboratory machinery performs these heating and cooling cycles 30–40 times, doubling the DNA to a billion copies. …