### Intraocular lenses (IOL) for animals -

recommendations for selecting models

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**INTRAOCULAR LENCES (IOL) FOR ANIMALS – RECOMMENDATIONS FOR SELECTING MODELS**

OptoVet company, Moscow, Russia

**www.optovet.com** perepechaev76@mail.ru

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**RECOMMENDATIONS FOR SELECTING MODELS OF IOLs:**

**BEFORE THE OPERATION:**

## 1. Expand the pupil as much as possible with drops, so that the **entire lens is visible**. Approximately (using a ruler), measure the largest diameter of the lens. The **size of the intraocular lens haptics** should be at least **1 mm SMALLER** than the maximum diameter of the lens.

## 2. Approximately (using a ruler) measure the **diameter of the cornea** of the operated eye. The **size of the intraocular lens haptics** should be **3-4 mm SMALLER** than the diameter of the cornea.

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## 3. Make an ultrasound scanning of the eyeball and accurately measure the **maximum diameter of the lens**. The **size of the intraocular lens haptics **should be **equal to or less** than the maximum diameter of the lens.

**AT THE OPERATION:**

## On the maximum dilated pupil, after filling the anterior chamber with viscoelastic, use a **microsurgical measuring compass** to accurately measure the **maximum diameter of the lens**. The size of the **intraocular lens haptics** should be **SLIGHTLY SMALLER** than the maximum diameter of the lens.

When removing traumatic cataracts, it is advisable to have a spare intraocular lens one size **SMALLER**.

For cataract surgery in animals up to 6-8 months old, it is desirable to have a spare intraocular lens one size **SMALLER**.

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