Posted by Admin / 13 January, 2022 /

China is one of the most popular countries in the world. No matter if we talk about medical devices or electronics, China has left its competitors behind.  As per stats in 2020, China has exported almost 101 billion dollars of medical equipment across the world. Imagine such massive stats!

 

The United Statesof America and Western countries import medical equipment such as phoropters every single year. You might wonder what exactly an ophthalmic phoropter is, right? No surprises. I will discuss it here. How, when, and where you can find a China supplier to get your ophthalmic phoropter today.

 

China is one of the most popular countries in the world. No matter if we talk about medical devices or electronics, China has left its competitors behind. As per statsin 2020, China has exported almost 101 billion dollars of medical equipment across the world. Imagine such massive stats!

 

The United States of America and Western countries import medical equipment such as phoropters every single year. You might wonder what exactly an ophthalmic phoropter is, right? No surprises. I will discuss it here. How, when, and where you can find a China supplier to get your ophthalmic phoropter today.

 

Chapter 1: Phoropter Basics

 

.Exactly what a phoropter is?

 

Have you ever visited an eye specialist? If yes, can you let me know what exactly the ophthalmologist examines first? Maybe your doctor asks you to look at the lens of a special device.

 

And what that device is?

 

Simple answer! That device is an ophthalmic phoropter. And exactly what an ophthalmic refractor or phoropter is, right?

 

A phoropter is a vision tester used for assessing the refractive errors in individual lenses of the right and left eye. Eye care professionals have phoropters to determine the refractive errors and suggest whether you have myopia, hypermetropia, astigmatism, or any other refractive disorder in either eye-right and left eye or both.

 

The place of Origin of the phoropter is in the early 1900s in the USA.

 

.How does it work?

 

No rocket science is involved in measuring the refractive errors! Instead, the doctor will ask you to sit at the chair and look through the lenses at the eye chart.

 

The ophthalmologist will change the lens's power at times and ask whether everything seems blurred or cleared. If there will be any problem, the doctor will prescribe you immediately.

 

.What are the different components of Phoropter?

 

There are multiple components of the phoropter. Every component has significance in relevant aspects. Have a look!

 

• Rotation Adjustment Knob 
• Mounting Bracket 
• Tilt Clamp Knob 
• Forehead Rest Knob 
• Spirit Level 
• P.D. Knob 
• Vergence Lever 
• Auxiliary Lens Scale 
• Auxiliary Lens Knob 
• Corneal Aligning Device 
• Rotary Prisms Unit 
• Cylinder Axis Knob 
• Cylinder Power Knob 
• Cross Cylinder Unit 
• Cylinder Power Scale 
• Cylinder Axis Reference Scale 
• Cylinder Axis Indicators 
• Cylinder Axis Scale 
• Weak Sphere Dial 
• Sphere Power Scale 
• Strong Sphere Control 
• Leveling KnobP.D. Scale 
• P.D. Scale 
• Reading Rod Holder 
• Reading Rod Clamp Screw 
• Turret Assembly 

 

.Why do we use it?

 

Eye care professionals use the phoropter to check the refractive errors. Whether your both eye lenses are working or not. If there are any eye issues, the doctor might prescribe you eyeglasses of relevant number. A point rod or point card is helpful to make accurate measurements.

 

Here are some major refractive disorders for which we use a phoropter. 

 

• Myopia- Nearsightedness 
• Hypermetropia- Farsightedness 
• Astigmatism 
• Presbyopia 

 

The above three points refer to refractive errors without any effect of aging. If you are old enough, you might observe the loss of accommodation of your lens leading to vision problems. That's what we call Presbyopia. 

 

Chapter 2: What is the difference between manual and digital phoropter?

 

There are two basic types of the phoropter. One is a manual phoropter while the second is a digital phoropter. Remember, never confuse a manual refractor with the digital one. You know, why? Because both are different and work differently.  

 

 

Have a look at the basic differences between them! 

 

.Data Entry

 

Data entry is quite simple when it comes to digital phoropter. It synchronizes the information with the help of data and automatically inputs the data into the refractor and patients' records. No need for multiple entries when you have a digital phoropter. 

 

Manual phoropter involves manual work more than the digital refractor. The professionals have to input the pretest data of patients into the refractor and patients' records. There might be multiple entries due to possible human error. 

 

.Lens Combination

 

For manual phoropter, you need to adjust the lens combinations manually. For this purpose, you must know how and when to adjust the lens combination.. However, here are lens combinations for refraction analysis. 

 

Sphere 

 

Check the sphere range and adjust the lens at different positions to get the patient's feedback.  

 

Axis 

 

Pull the cross-cylinder down and adjust the prism knob to check the patient's axis. 

 

Cylinder 

 

You can twist the cross-cylinder to determine astigmatism. Cylinder powers marks should be in line with the cylinder power range. 

 

For digital phoropter , the scenario is the same for refraction check. But, when it comes to adjustment and all other relevant tasks, one digital panel sets up all the settings. The doctor has to sit in the chair and talk to the patient directly. The automatic system will do detect the refractive errors and update the prescription. That's all you have to worry about in a digital phoropter. 

 

Components 

 

Since both types of refractors are different, they also vary in their components.  

 

Manual phoropter comes up with components, you need to adjust manually. Here are those parts. 

 

• Aperture control 
• Shere power 
• Cylinder power 
• Cylinder axis 
• Jackson cross-cylinder 
• Risley prisms 
• Face shield 

 

Compared to it, a digital refractor is a digital device with automatic components. Here are the parts. 

 

• Electronic drive refractor head- displays power lenses to patients for a vision checkup 
• Software panel- controls data entry  
• Autorefractor- automatically measures refractive errors 
• Auto lensmeter- estimates the power of prescription  

 

Chapter 3: What should you look for in an ideal manual refractor?

 

Is finding a phoropter difficult for you? Not at all! But, finding the top-notch manual phoropter is very much meticulous work. However, I have listed some of the features of an ideal manual phoropter you must look for. 

 

 

.Faster PD adjustments

 

PD refers to Pupillary distance. And you might ask, what pupillary distance is? 

 

Pupillary distance is the distance between the pupils of both eyes. This distance varies from person to person. However, we can put an estimate for it. For men, it is almost 64 millimeters while for women, it is 62mm. Pupillary distance up to 65mm is considered normal. In the case of children, it ranges from 41 to 55 millimeters. 

 

At the optical center, patients of different genders and ages visit for checkups. If a manual phoropter doesn't offer the proper range for PD adjustments, it is ineffective. Moreover, faster PD adjustments will save you time. 

 

PD adjustment is the first factor you must look for in the phoropter. It must offer a sufficient range of adjustments with rapid movements to save time. The higher the PD adjustments with one rotation, the faster it is! 

 

.Anti Reflection for great accuracy

 

 

Accuracy matters! A slight change in the value would lead to wrong evaluations. There will be inaccurate prescriptions for treatment from the ophthalmologist.  

 

What will be the direct consequence? 

 

The use of the wrong lenses would lead to severe vision problems. Even the previous disease would get worsen. Who would suffer? Only and only patient! 

 

Any solution? 

 

I would recommend looking for a phoropter that gives accurate astigmatic values. A view tester with minimal effects on cross-cylinder such as minimum reflection problems. Keep your approach better and land on the phoropter with the threaded portion inside of the cross-cylinder. This feature will prevent unnecessary reflections and provide a better focus on the values. The accurate value would result in a better prescription! 

 

.Protection mechanism from dust particles

 

 

All your medical equipment is prone to dust. No matter you have a manual phoropter or digital refractor, dust can enter both of them. 

 

So, dust cause what?  

 

A good question to answer. Obviously, it damages all the equipment. Especially the inner parts of your optical devices get messy and lose performance. After some time, you might even feel your device is not working as per expectations.  

 

Any solution? 

 

Yes, there is! Your manual phoropter must have a protection mechanism already installed. For example, dustproof glasses or dust cover keep dust particles away. So, manually review whether your refractor has a dustproof mechanism or not. If it is not, there is a lot of trouble for you. 

 

.Distance between Cross-cylinder and Prism Unit

 

 

The cross-cylinder is one of the most important components of a manual phoropter. You know, why? Because astigmatism is a complex refractive disorder, and it helps us to discern it effectively.  

 

In a manual phoropter, there is a distance between the prism unit and the cross-cylinder. This distance enables to adjustment of the cross-cylinder and prism unit. What if you can not pass the finger in between them both? Don't you think it will be difficult to adjust the cross-cylinder range and prism range? 

 

That's why always look for manual phoropters that offer enough distance to enable faster adjustment. In this way, the accuracy of results will also improve. 

 

.Locking screw diameter for easy and faster moments

 

 

Who wants to waste time? Especially when there is a rush of patients at your optical center, no doctor would like to expend time for setting up different components. So, the faster the adjustments are, the better the manual phoropter is. 

 

What helps in faster adjustments? Simply put, quick movements of lenses and cross-cylinder.  

 

And what helps in doing it! Locking screw!  

 

You might come across a variety of phoropters. Some of them would be better in all the above steps but fail in locking screw diameter. It will consume more time to adjust. So, your precious time will be wasted!  

 

Why not have a solution? So, you can keep a weather eye on the diameter of the locking screw. If it facilitates fast movements, just great! This is what an ideal phoropter has. 

 

.Quality of components

 

 

Quality, quality, and solely quality! It is something you must never compromise on. No matter the price is fair, but focus on quality components. When going for a China supplier, check whether all the parts of the phoropter procure ultimate quality. 

 

You might wonder why so much focus is on quality, right? Here is why: 

 

• Quality components let the phoropter work efficiently. 
• No interruptions or errors are there when you have a quality manual phoropter. 
• Your manual phoropter will work for years without a decrease in performance.  
• It will save the cost of buying multiple instruments after some time. 

 

Still, you don't want all these benefits? That's why you must ask your suppliers to provide you only with an accessory box. 

 

.Pricing

 

Price is an important factor. When you have a low budget, you need to find a cost-effective option. Remember, never compromise on quality for the sake of price. A good technique is to assess the quality and determine cost. Keep a balance between both of them. 

 

Before purchasing, check multiple types of manual phoropters. Go through each of them. Determine the price and land on the best one at a cheap price. In simple words, I would say it to be a "cost-effective phoropter."  

 

The great thing about China suppliers is that they offer quality instruments at a cheap price with save ship to choose cost. 

 

Chapter 4: Where do I find the China suppliers for Phoropter?

 

China suppliers are available all around China. Whether it is the Chongqing China region or Shanghai, you can get the China suppliers quite easily. Here is why you should consider China supplier. 

 

Why only a China supplier?

 

Is finding a good quality manual phoropter difficult for you? Then, why worry! Several China suppliers can reduce your concerns about manual phoropters. Here is why you should decide on China supplier. 

 

• Quality ophthalmic instruments  
• Customized support 
• Cheap rates 
• You can request multiple quotations for free 
• Top manufacturers in the world 

 

One more question is there! There are hundreds of manual phoropters out there in China. Choose which one, right? No worries at all. I have listed China suppliers offering manual phoropter at decent prices. 

 

Hongdee:

 

 

Hongdee is one of the most popular ophthalmic instrument manufacturers across China. They export ophthalmic equipment to the United States of America and Western countries. 

 

Here is why you should choose Hongdee! 

 

• 15 years of experience in the medical field regarding ophthalmic equipment 
• Distribution networks in almost 60 countries. Easy access to your location. 
• All equipment includes a warranty of almost one year. 
• Excellent customer service with quick response 

 

Their manual phoropter is "VISTA." Here are some features of this product that stand out among other competitors. 

 

• The cylindrical power range is 0 to -6 diopters 
• Sphere power range is -19 to +16.75 diopters 
• PD adjustments range from 48 millimeters to 80 millimeters 
• Vertex Distance is 13.75 millimeters 
• Axis ranges from 0 to 180 degrees. 

 

There are many other features as well you can get detail on our website. 

 

Mocular Medical Technology:

 

 

Mocular Medical Technology is contributing its best in the medical field. Not only phoropters but also numerous other ophthalmic equipment are there for you. You can export these pieces of equipment to your locations either in the US or Europe. 

 

Here is what makes Mocular Medical Technology great! 

 

• Established in 2005. It has experience of almost 16 years in medical standard accessories. 
• A wide variety of medical instruments favors your concerns. 
• All products are certified and FDA approved. 
• Excellent customer service that responds within 24 hours 

 

Feeling bored? Wait a minute and have a look at ML-600 Manual phoropter of Mocular medical technology. 

 

Here are some specifications for this manual phoropter. 

 

• Sphere power range is -19 to +16.75 diopters 
• The cylinder power range is 0 to -6 diopters 
• Vertex distance is about 12 millimeters. 
• PD adjustment ranges from 50 to 75 millimeters. 
• For this, the cylinder axis range 0 180 degrees. 

 

More features on the go. Check them from their official website.  

 

Shanghai Top View Industrial Corporation:

 

 

Shanghai Top View Industrial Corporation was established in 2008 serving the brands with phoropters and optical devices. They offer a range of medical instruments to their customers. You can import their products quite easily from port Shanghai. 

 

Here are some special points about them. 

 

• 13 years of experience in the medical field. It makes them reliable among the suppliers. 
• Quality instruments for the potential customers. 
• Quick responses from the support team make them great. 
• All instruments are FDA approved. 

 

Their VT-5 phoropter is a top choice for doctors. Here are specifications about this medical device. 

 

• Sphere power range is -19 to +16.75 diopters 
• The cylinder power range is 0 to -6 diopters 
• Vertex distance is about 16 millimeters. 
• PD adjustments range between 50 to 80 millimeters. 
• The cylindrical axis ranges from 0 to 180 degrees. 

 

Still, thinking? But why? Choose the top one. Is it difficult to make the top choice between them as well? No problem. I can help you select the better one. 

 

Which manual phoropter is the better choice?

 

 

Apparently, it seems all products are the same. But, it's not true. Let me give my verdict. 

 

Our manual phoropter -VISTA is a better choice. You know, why? Because it has following advantages. 

 

.Greater PD adjustment range

 

Vista provides a wider range from 48 to 80mm while other phoropters provide 48 to 75mm. 

 

.Faster PD adjustment

 

A single rotation for 6mm makes faster PD adjustments. Other phoropters allow 2mm with a single rotation. 

 

.Distance between prism unit and cross-cylinder

 

You can slip your finger in between the prism unit and the cross-cylinder. This increases accuracy while rotating the cross-cylinder. 

 

.Dustproof mechanism

 

Dustproof glass is available to keep dust away. Most manual phoropters don't have this feature. 

 

.Astigmatic axis measurements

 

Vista has no deviations in the astigmatic axis measurements while others might have. 

 

.Locking screw diameter

 

Greater diameter for locking screw up to 16mm. Other competitors have a 7mm diameter locking screw. 

 

.Anti-reflection mechanism

 

The inner hole is threaded to prevent reflection. This upgrades the accuracy. 

 

.Lens rotary plate and rare shell gear

 

Copper plates and gears make Vista durable. Most competitors use plastic plates and gears. 

 

Don't you think our phoropter is great in every aspect? Contact us to request for quotation and get your carton port of our optical devices at home! 

 

Final Thoughts

 

There are numerous China suppliers out there. But, remember, be selective in your choices. Compare different aspects of manual phoropters and decide on the best one.  

 

To make your choices better, contact our China suppliers to get multiple quotes. 

 

Frequently Asked Questions

 

Q. What is min order? 

 

You can order 1.0 units from the China supplier. There are no restrictions at this point. 1.0 units is especially good if you own a clinic. For B2C brands, more than 1.0 units would be better. 

 

Q.What is 1.0 units? 

 

1.0 units refers to the order of a single device. Never confuse the min order quantity of 1.0 units with others. Just contact supplier and get the product name manual phoropter. 

 

Q. Where can I get a phoropter? 

 

Almost in whole China, you can find a good supplier with trade assurance. Order the supplier with the product name "manual phoropter". Once you have received your 1 piece from the supplier, you can check the model number and relevant things. 

 

Q. How can contact with China supplier? 

 

There are two ways to contact the China supplier.  

 

• First, directly fill the contact form on their official website.  
• Second, download Alibaba supplier app and contact the company officials on their seller account.  

 

This is how you can contact your China supplier. 

 

Q. Can I request for quotation for free? 

 

Yes, you can request. China supplier will offer a free quotation. 

 

Q. Where is the China supplier located? 

 

Not a single location where you can find a supplier in China. For example, you want to buy medical instruments from Chongqing China, there will be several China suppliers there. 

 

Q. Is the Alibaba supplier app follow good enough for you? 

 

Yes. There are numerous China suppliers on Alibaba. You can contact them to get multiple quotes. 

 

Q. Does the Alibaba supplier app give trade alert? 

 

Yes. No matter you are a supplier or a foreign buyer, Alibaba gives a trade alert. You can be aware of all your trades through trade alerts.