VETWEB OFTALMOLOGIA VETERINÁRIA

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VETWEB OFTALMOLOGIA VETERINÁRIA OFTALMOLOGIA VETERINÁRIA ESPECIALISTA EM MICROCIRURGIA OCULAR (CATARATA E RETINA)

Dr. João Alfredo Kleiner MV, MSc.:

* Possui graduação em Medicina Veterinária pela Universidade Federal do Paraná em 1997.

* Fez curso de Especialização em Oftalmologia Veterinária pela Universidade de Madison - Wisconsin - EUA em 1998.

* Mestre em Ciências Veterinárias, Área de Patologia Veterinária pela UFPR com a tese intitulada Tratamento Cirúrgico da Epífora Crônica em Animais de Companhia , Agosto de 2003.

* Professor de Oftalmologia Veterinária na Pós-graduação.

* Pioneiro no Implante de Lentes Acrílicas Dobráveis após Cirurgia de Catarata pela Facoemulsificação em animais no Sul do País.

* Realizou cirurgias de catarata com lentes intraoculares customizadas em animais silvestres como Tigres (No Brasil e no Zoológico da Austrália) e Macacos Bugio.

* Curso de especialização de Cirurgia de Vítreo e Retina pela European Vitreoretinal Society (EVRS), na Oftalmologia Humana, em Bremen, Alemanha em 2016.

* Fundador da Vetweb Oftalmologia Veterinária, primeiro centro de Curitiba dedicado exclusivamente à Oftalmologia Veterinária nos animais.

27/09/2026

PARTE II da Entrevista com Dr. João Alfredo Kleiner DVM, MSc realizada 7 de agosto de 2026 na cidade de Chapecó, SC pelo Dr. Stefano Basso.

25/09/2026

Entrevista com Dr. João Alfredo Kleiner DVM, MSc realizada 7 de agosto de 2026 na cidade de Chapecó, SC pelo Dr. Stefano Basso.

Image of a Retina Reattachment Surgery being performed in a 3-year-old Shih-tzu.Dr. João Alfredo Kleiner DVM, MSc Vetweb...
07/08/2026

Image of a Retina Reattachment Surgery being performed in a 3-year-old Shih-tzu.

Dr. João Alfredo Kleiner DVM, MSc
Vetweb Veterinary Ophthalmology www.vetweb.com.br

Cord1-PRA is a type of Progressive Retinal Atrophy (PRA). Cord1-PRA stands for Cone-Rod Dystrophy-PRA. Cord1-PRA is a ge...
30/07/2026

Cord1-PRA is a type of Progressive Retinal Atrophy (PRA). Cord1-PRA stands for Cone-Rod Dystrophy-PRA. Cord1-PRA is a genetic disorder associated with a recessive mutation that can be passed from either parent or require two copies of the gene to show symptoms. This image shows an advanced retinal atrophy with optic disc pallor, clumps of pigment, and extensive blood vessels attenuation.

Dr. João Alfredo Kleiner DVM, MSc
Vetweb Veterinary Ophthalmology
www.vetweb.com.br

Retinal hole (12 o'clock) in a 3 -year-old Shih-tzu fixed using a 810nm diode laser.Dr. João Alfredo Kleiner DVM, MSc Ve...
30/07/2026

Retinal hole (12 o'clock) in a 3 -year-old Shih-tzu fixed using a 810nm diode laser.

Dr. João Alfredo Kleiner DVM, MSc
Vetweb Veterinary Ophthalmology www.vetweb.com.br

Image obtained with a contact lens utilized in retinal surgeries, right after Phacoemulsification in a total posterior l...
29/07/2026

Image obtained with a contact lens utilized in retinal surgeries, right after Phacoemulsification in a total posterior luxated lens. This is an important step at the end of the surgery in order to check for lens fragments that might have been dropped into the vitreous during the surgery. If any lens material is identified they should be recovered and emulsified using the vitrector unit.

Dr. João Alfredo Kleiner DMV, MSc
Vetweb Oftalmologia Veterinária
www.vetweb.com.br

22/07/2026

Awesome times in London attending the 6th Veterinary Ophthalmic Surgery Meeting (VOSM) with great lectures and meeting friends.
I had a great opportunity to present a video about Retina Surgery.

This is a Morgagnian cataract in a 3-year-old Maltese where the lens cortex has been absorbed leaving the hard nucleus ...
10/07/2026

This is a Morgagnian cataract in a 3-year-old Maltese where the lens cortex has been absorbed leaving the hard nucleus sedimented inside the capsule. In the picture it is highlighted the anterior lens capsule wrinkles that formed because of the lens shrinkage. Care must be taken during capsulorhexis cause there is a higher chance of posterior lens capsule rupture. A good trick is to make a small hole in the anterior capsule using a small gage needle and reinflate the capsular bag with viscoelastic before proceeding the surgery.
Dr. João Alfredo Kleiner DVM, MSc
Vetweb Veterinary Ophthalmology www.vetweb.com.br

Corneoscleral transposition (often performed as a corneoconjunctival transposition) is an advanced veterinary surgical p...
30/06/2026

Corneoscleral transposition (often performed as a corneoconjunctival transposition) is an advanced veterinary surgical procedure used to treat deep corneal ulcers, perforations, and sequestra (especially in cats and brachycephalic dogs).

It involves sliding a healthy, attached flap of the patient's own peripheral cornea and adjacent conjunctiva to cover and repair the defect.

This autologous (self-tissue) flap provides excellent structural support ("tectonic support"), protects against globe rupture, and brings its own blood supply to accelerate healing without the risk of foreign tissue rejection.

Because the surgeon utilizes the patient's own tissue, the central visual axis remains as clear as possible, resulting in significantly better vision preservation and less scarring than traditional conjunctival flaps.

Dr. João Alfredo Kleiner DMV, MSc
Vetweb Oftalmologia Veterinária
www.vetweb.com.br

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Rua Jorge Bonn, 104 Loja 03
Curitiba, PR
82600-290

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