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Description

The ADC Diagnostix 5440 3.5V Coax Ophthalmoscope Head is intended to examine the media (cornea, aqueous, lens, and vitreous) and the retina of the eye, and is available with a halogen/xenon lamp (#5440X) or an advanced AdLED lamp (#5440L). This head can be attached to the ADC Diagnostix 5460 3.5V Plug-In Rechargeable Battery Handle or the ADC Diagnostix 5560 3.5V Rechargeable Battery Handle.

Warranty: 2 Years (AdLED lamp carries a lifetime warranty).

Note: This is for the coax ophthalmoscope head only and does not include a battery handle.

Features

ADC Diagnostix 5440 3.5V Coax Ophthalmoscope Head Features

  • High performance aspherical condenser lens reduces corneal reflection.
  • Further reduction provided by utilizing distinct parallel observational and illuminating light beams (Gullstrand's principal).
  • Ergonomic design and integral thumb rest improves stability and allows one finger control of all functions.
  • Synthetic rubber brow rest facilitates use with practitioner eyeglasses.
  • Dust proof.
  • Magnified/illuminated aperture viewing window.
  • Universal bayonet mount for compatibility with other brands of 3.5v power supply handles.
  • Anti-theft locking feature is standard.
  • 29 viewing lenses from -35 to plus 40 (Plus 1-10, 12, 15, 20, 40 - Minus 1-10, 15, 20, 25, 30, 35).
  • 24 aperture/filter combinations for improved versatility.
  • 6 apertures include:
    • Slit - used to help determine levels of tumors and lesions.
    • Fixation - has graduated cross-hairs for measuring eccentric fixation or locating lesions.
    • Large - standard aperture for a dilated pupil and general examination of the eye.
    • Small - provides excellent view of fundus through an undilated pupil.
    • Micro spot- allows quick entry into small, undilated pupils.
    • Half moon - provides a combination of depth perception and field of view.
  • 3 filters (plus neutral) include:
    • Red free - excludes red rays from examination field for easy identification of veins, arteries and nerve fibers.
    • Cobalt - used with fluorescent dye to view small lesions, abrasions and foreign objects on the cornea.
    • Polarizing - virtually eliminates corneal reflection.

Frequently asked questions

Does the coaxial system minimize corneal reflection?
Yes, this coaxial ophthalmoscope head is highly effective at minimizing corneal reflection, ensuring superior clarity during eye examination.

This is achieved by employing **Gullstrand's principle**, which uses distinct, parallel observational and illuminating light beams. This system is further optimized by a high-performance **aspherical condenser lens**.

For situations requiring the highest clarity, the device also includes a specialized **Polarizing filter** among its 24 aperture/filter combinations, which virtually eliminates residual corneal glare.

Key features for comprehensive viewing include:

* **29 Viewing Lenses:** Ranging from -35 to +40 diopters for precise focus.
* **Dust-Proof Design:** Ensures the long-term precision and clarity of the internal optics.
Does it include extensive aperture and filter selections?
Yes, the ADC Diagnostix 5440 offers exceptional versatility, featuring **24 total aperture and filter combinations** to tailor the light beam for nearly any diagnostic need. This system allows for clear visualization and specialized examination capabilities.

### Apertures (6 Total)

This head includes six specific apertures:

* **Large and Small:** Used for examining dilated and undilated pupils.
* **Micro spot:** Facilitates entry through very small pupils.
* **Slit:** Valuable for assessing the depth or level of tumors and lesions.
* **Fixation:** Features graduated cross-hairs for precise measurement or localization of areas of interest.
* **Half moon:** Provides a combination of increased depth perception and field of view.

### Specialized Filters

Three specialized filters are included, along with a neutral option:

* **Polarizing:** Virtually eliminates corneal reflection, dramatically improving visual clarity.
* **Red free:** Excludes red rays, which is beneficial for identifying and tracing the vasculature (veins and arteries) of the retina.
* **Cobalt:** Essential for use with fluorescent dye during detailed corneal examinations.
Is the Diagnostix 5440 comfortably ergonomic?
Yes, the ADC Diagnostix 5440 is engineered for **exceptional ergonomic comfort and stable control** during thorough ocular examinations. This design focus helps minimize strain and ensures efficient, precise operation.

Key features contributing to its superior ergonomics include:

* **Integral Thumb Rest:** Provides maximum stability and allows for convenient, single-finger control of all diagnostic functions.
* **Synthetic Rubber Brow Rest:** Ensures comfort and facilitates stable use, especially when the practitioner is wearing eyeglasses.
* **Contoured Design:** The shape is optimized for easy, steady handling during prolonged procedures.

For added reliability, the ophthalmoscope head also incorporates a **dust-proof design** to ensure long-term durability in clinical settings.
Does this ophthalmoscope head fit other 3.5V handles?
Yes, the ADC Diagnostix 5440 is designed for **maximum versatility** and **cross-brand compatibility** with standard 3.5V systems. It utilizes a:

* **Universal bayonet mount**

This mount ensures that the head can attach securely to specified ADC Diagnostix 3.5V handles (such as models 5460 or 5560), as well as 3.5V power supply handles from **other major brands**.

Please note that this product is the head unit only; the 3.5V power handle is sold separately.
What high-performance apertures and filters are included?
The ADC Diagnostix 5440 offers exceptional diagnostic versatility with **24 total aperture/filter combinations**. This extensive selection allows for precise and detailed eye examinations.

**Apertures (6 available):**

* **Slit:** Used to determine the level of a tumor or lesion.
* **Fixation:** Helps in measuring eccentric fixation or locating lesions.
* **Large:** Ideal for patients with dilated pupils.
* **Small:** Used for viewing through undilated pupils.
* **Micro spot:** Specifically designed for very small pupils.
* **Half moon:** Provides a balanced combination of depth perception and field of view.

**Specialized Filters (3 functional options plus Neutral):**

* **Red-free:** Essential for examining veins, arteries, and nerve fibers by excluding red rays.
* **Cobalt:** Used in conjunction with fluorescent dye for detailed cornea examination.
* **Polarizing:** A key feature that virtually eliminates distracting corneal reflection.
Is the 3.5V power handle included?
No, the ADC Diagnostix 5440 is sold as the ophthalmoscope **head unit only**. The 3.5V power supply handle is not included and must be purchased separately for operation.

This head is designed for flexibility and compatibility:

* It features a **universal bayonet mount**, allowing it to connect seamlessly with 3.5V power supply handles from other major brands.
* It is specifically compatible with ADC Diagnostix 3.5V handles, such as models **5460** or **5560**.
Does the AdLED lamp include an extended warranty?
Yes, the **AdLED lamp** configuration for the ADC Diagnostix 5440 comes with a **lifetime warranty**, ensuring long-term reliability. The ophthalmoscope head itself has a **2-year warranty**.
What optical features ensure superior clarity?
The Diagnostix 5440 Ophthalmoscope Head is specifically engineered to minimize corneal reflection, ensuring exceptional clarity for detailed examinations of the eye's media and retina.This superior clarity is achieved through several advanced optical features:

* **Gullstrand's Principle:** The system employs distinct, parallel observational and illuminating light beams to reduce reflection effectively.
* **Aspherical Condenser Lens:** A high-performance **aspherical condenser lens** further minimizes reflection from the cornea.
* **Polarizing Filter:** A specialized **Polarizing filter** is included among the 24 aperture/filter combinations, which can virtually eliminate corneal reflection for maximum viewing precision.
* **Wide Diopter Range:** The instrument features 29 viewing lenses, ranging from **-35 to +40 diopters**, allowing for precise focusing across a wide spectrum of refractive errors.