Поделиться:
Месяц | Минимальная цена | Макс. стоимость |
---|---|---|
Sep-20-2025 | 0.39 $* | 0.80 $* |
Aug-20-2025 | 0.29 $* | 0.96 $* |
Jul-20-2025 | 0.18 $* | 0.8 $* |
Jun-20-2025 | 0.78 $* | 0.61 $* |
May-20-2025 | 0.72 $* | 0.54 $* |
Apr-20-2025 | 0.23 $* | 0.17 $* |
Mar-20-2025 | 0.33 $* | 0.98 $* |
Feb-20-2025 | 0.35 $* | 0.74 $* |
Jan-20-2025 | 0.22 $* | 0.28 $* |
Coaxial ophthalmoscope and retinoscope set 3.5V with Illuminator
1. Part list
1. Polarizing filter / red-free filter switch;
2. Aperture selection dial;
3. Diopters selection disc;
4. Bulb;
5. Dowel pin of bulb;
6. Illuminated Diopters indicator;
7. Peep hole;
8. Rubber brow rest;
a) Connect the 3.5V Coaxial Ophthalmoscope to the power.
b) For examination of the right eye, sit or stand at the patient’s right side.
c) Select “0” on the illuminated lens disc of the ophthalmoscope and start with the small aperture.
d) Take the ophthalmoscope in the right hand and hold it vertically in front of your own right eye with the light beam directed toward the patient and place your right index finger on the edge of the lens dial so that you will be able to change lenses easily if necessary.
e) Dim room lights. Instruct the patient to look straight ahead at a distant object.
f) Position the ophthalmoscope about 6 inches (15 cm) in front and slightly to the right (25°) of the patient and direct the light beam intothe pupil. A red “reflex” should appear as you look through the pupil.
g) Rest your left hand on the patient’s forehead and hold the upper lid of the eye near the eyelashes with the thumb. While the patient is fixating on the specified object, keep the “reflex” in view and slowly move toward the patient. The optic disc should come into view when you are about 1 to 2 inches (3-5 cm) from the patient. If it is not focused clearly, rotate lenses with your index finger until the optic disc is as clearly visible as possible. The hyperopic, or far-sighted, eye requires more “plus” (green numbers) lenses for clear focus of the fundus; the myopic, or nearsighted, eye requires minus” (red numbers) lenses for clear focus.
h) Now examine the disc for clarity of outline, color, elevation and condition of the vessels. Follow each vessel as far to the periphery as you can. To locate the macula, focus on the disc, then move the light approximately 2 disc diameters temporally. You may also have the patient look at the light of the ophthalmoscope, which will automatically place the macula in full view. Look for abnormalities in the macula area. The 8. To examine the extreme periphery, instruct the patient to:
l Look up for examination of the superior retina
l Look down for examination of the inferior retina
l Look temporally for examination of the temporal retina
l Look nasally for examination of the nasal retina. This routine will reveal almost any abnormality that occurs in the fundus.
i) To examine the left eye, repeat the procedure outlined above but hold the ophthalmoscope in red-free filter facilitates viewing of the center of the macula.
3.1 Replacing the illumination bulb
Turn off the main power switch, remove the 3.5V coaxial cphthalmoscop from the power . grasp end of bulb and pull out. Insert replacement bulb, Push bulb in firmly.
The specification of bulb for the 3.5V Coaxial Ophthalmoscop is P4900 ( 3.5V, 2.7W ).
3.2 Cleaning
The cleaning of all Zumax’s 3.5V Coaxial Ophthalmoscope is easily accomplished by wiping the external surface with a cloth dampened with a mild detergent and water solution, or a 70% isopropyl alcohol, or a 10% bleach solution (by volume). Do not immerse.
NOTE: Solution entering the assembly could damage internal components. Use caution to ensure cloth is not saturated with solution.
Caution: The 3.5V Coaxial Ophthalmoscope should never be placed in municipal waste.
4.Technical Specifications
Optical Specification | |||
Diopter | 0D, ±1D, ±2D, ±3D, ±4D, ±5D, ±6D,±7D, ±8D, ±9D, ±10D, +12D, ±15D, ±20D,-25D,+40D | ||
Aperture | Large aperture, small aperture, Micro aperture, Slit aperture, Cobalt blue aperture, Fixation aperture. | ||
Filter | Red free filter / Polarizing filter | ||
Environment requirements | |||
Operation | Environment Temperature | +10 ℃…+35 ℃ | |
Relative Humidity | 30%…75% | ||
Atmospheric Pressure | 700 hPa…1060 hPa | ||
Storage | Environment Temperature | -40 ℃…+55 ℃ | |
Relative Humidity | 10%…90% | ||
Atmospheric Pressure | 500 hPa…1060 hPa |
5.Warnings and Cautions
1. This product must not be used in the presence of flammable gases.
2. This product should not be immersed in fluids.
3. Use 3.5V Coaxial Ophthalmoscope only with all approved 3.5V power.
4. Federal law restricts this device to sale or order of a physician.
Notice
1. Please make sure your delivery and name is correct and can be delivered.
2. In all counties, according to customs regulations all the goods needs Customs duties and brokerage fees when arrival at destination. That's buyer's responsibility.
3. Subject to the value in the invoice for your local customs, we can mark it less value if buyer insist on. we mark real value default .
4. Please also inform us the voltage and plug you need.
(Voltage for option 110V or 220v Plug: Europe plug/ USA plug/England plug/ Australia plug)
Warranty:
1. Please kindly tell us which your country's voltage is and plug type before purchase.
2. After received instrument please keep the "factory serial number" this is important for after service.
3. so far the Chinese instrument is too cheap, can not afford over sea Maintenance Center.
4. For all of our instrument warranty period: 18 months after its delivery to your door.
During this period, the machine appear problems, we'll ask our technical section cover the problems including (trouble shooting guide, photo, video) if this method can not make sense, we'll ask fast express to take it back to our factory.
5. The international freight (back to CHINA) and repair costs is by both side. But if the machine was broken, like dropping down, getting water or any wrong operation, which are out of our duty.
We promise life long service, if the instruments exceed the warranty period, we will also give advice and good service, but it will charge money for extra spare part.
SHANGHAI TOP VIEW INDUSTRIAL CO., LTD & SHTOPVIEW LIMITED
was established in 2008, headquarters lies in Shanghai, China. We are committed to provide ophthalmologists and optometrists with high quality products, high quality technologies and high quality services to applicating the technology of machine vision for medical fields, helping doctors improve health conditions and alleviating the pain of patients. we also specialize in glasses and lens equipments as a brand name distributor.
Our equipments have ISO13485 certification and most of products get CE approved. SHtopview are always keeping innovation on her products and services.
Throughout 11 years in business, we have built ourselves as a value-oriented, service minded, ophthalmic equipment distributor and glasses&lens process equipment with reputation. we become “the Chinese state-of-the-art ophthalmic instrument and your practice” the world 's 180 countrys can see our instruments.
"Details create quality"., SHTOPVIEW is looking for good partners global. for cooperation to exploit new fields, contact us without hesitate! cause there're over 15,000 ophthalmologists and optometrists opticains all over world using our equipments at present.
1. Our Vision:
Excellent Quality, Mutual Benefit
2. Our Strategy:
To be the bridge Chinese ophthalmic instruments to your country.
3. What is your company's advantage?
(1) Better Quality with Lower Price
We always supply the better price on the same quality level, and try our best to save the client's every cent. Also offer good after service, never ignore the instruments problem since we establish.
(2) located
We are in Shanghai, which is biggest business center in CHINA. The quality made in shanghai is the best in CHINA, also very easy to have a ticket to shanghai all over the world, welcome to visit our company.
(3)Export experts
As we have a favorable frame and stable quality control, our products can be found in nearly all continents. Years of export experience, deliver goods by different means: truck, rail, air and sea containers. We know all the country's customs rules, will notice customer in advance, whether the instruments allow import or not, also whether need certificate for import and how much import tax will be.
4. What is your MOQ?
Our MOQ is usually 1 pc for most of our products
5. What is your delivery time?
The time of delivery is 4-7 days after received your payment by fast express. 15~35 days by sea. 2~6 days by air to buyer's nearest air port.
6. What is the shipping port?
Shanghai
7. What is the payment terms?
We accept T/T, Western Union, or "ALIBABA secured online buying with via credit card". "alibaba Trade Assurance" you're covered for: If we does not meet the requirements in your contract, Alibaba. com will refund your covered amount.
8. What is your main products?
Shanghai Top View Industrial Co,. Ltd is a leading company with years experience in ophthalmic instruments export business. We specialize in ophthalmic instruments, such as glasses display rack, auto refractometer, keratometer, phoropter, slit lamps, lens edger and other ophthalmic instruments products. The principle of our company is to provide perfect quality, competitive marketing prices, good service and to meet the needs of the customers.
9. What about the import license?
Some ophthalmic medical instrument need import license (such as auto refractometer \\ trail lens set \\ phoropter \\ slit lamp \\ a scan etc.), lens meter / lens edger sunglasses display stand are not need import license. For example Brazil and Mexico customer need CPF for import auto refractometer. (Because the Argentine customs restrictions, temporarily does not support sold to Argentina.)
10. Who pay the custom duty?
If you refuse to pay the import tax and cause the product to be returned. The buyer assumes full responsibility and all costs of returning the goods need to be paid by the buyer, including return shipping charges and customs duties.
We would appreciate if the buyer can confirm receipt of the goods and give good feedback within 3 days. Our customer service department will add you to our VIP list and receive discounts on future orders.
Данные ресурс не является интернет-магазином, а лишь содержит ссылки на международную торговую площадку Alibaba.com